Really great tips on using a drill press accurately without buying expensive accessories! And using it as a guide to tap holes.. I've never seen that before. Great video as always.
Hi! This is an amazing project, and seeing you work your way up from digital encoders and simple motor drives up to a complete CNC machine is an incredible saga! I really hope you get to win the HaD Prize! I have a small question for you: wouldn't it be better to add some oil to the water (as an emulsion) and use it as cutting fluid instead of plain water? I do remember doing it during machining class :)
Yes, besides cooling, lubrication is essential for router tools to get best results. In this early state I used nothing but water, because that liquid evaporates when splashed around my workshop (remember the machine is still in an early prototyping state and there is still no closed circular flow of liquid). Thanks for sharing your ideas!
i was inspired by your previous videos, and built my own cheap cnc... i know the pain of hack sawing, filing, drilling and tapping millions of features you have had to go through.. nice work, i only wish the software was available for windows.. but thanks for sharing all your stuff :)
You're welcome! Is there a link to your CNC video? The idea of Open Source is to share knowledge and inspire even more people. Windows? Not as long as it is closed source!
i agree with the open source stuff... but im not so much into computer work... i guess out of laziness i havent installed linux yet.. i even have a raspberry.. but i cant make myself to install the os (dont have an external monitor so it should be headless install... too much trouble for my gearhead mind). i recently started uploading some videos on youtube, soon i will show the cnc as well :)
Atomic Workshop Honestly if you just use your pc for general purpose stuff and aren't dependent on windows specific software then linux is a great alternative. I recommend linux mint with the MATE gui: www.linuxmint.com/edition.php?id=220 Easy to install (either as a replacement or addition to windows) and easy to use :)
Very busy ;-) As written on the Hackaday blog, I was using OpenSCAD for this machine for the first time: hackaday.io/project/10299-self-replicating-cnc-for-194-or-more-countries The previous machines were designed using the rule of thumb.
Great Video! I do work on my own CNC project, and I wanted to ask something. Does it happen for you that nuts/bolts loosen over time due to micro vibrations from motors? I was curious if it's a common thing and if it has a solution?
This machine is still under construction. I have worked no more than around 15 hours with the low power configuration of this machine, thus I can't give a prediction if this is an issue for this machine. I will publish problems like this on the Hackaday Blog: hackaday.io/project/10299-self-replicating-cnc-for-194-or-more-countries or my project page: homofaciens.de/technics-machines-cnc-v3-2_en.htm Same is for solutions I find practicable to go around such issues whenever they occur. Stay tuned!
respect for all the hard work you do, so people with less resources can improve their life quality. love the way you go lowtech and achieve a sophisticated working machine! kudos! friendly greetings, Jörgen
não consigo executar o programa que roda a maquina poderia me dar uma luz ,o ide no Arduíno tudo bem mais o programa que executa os desenho e o problema poderia me ajudar como funciona obg
Wie ist das eigentlich bei echten CNC Maschinen gemacht: Haben die Linearsensoren am Maschinenbett und die Elektromotoren sind dann positionsgeregelt oder sagt man sich einfach, dass das Spiel in den Kugelgewindespindeln nahezu 0 ist und man deswegen die Motoren gesteuert (nicht geregelt) betreiben kann. Oder gibt es beide Konzepte? Das zusätzlich Ungenauigkeiten durch elastisches Verbiegen der Maschinenteile hinzukommt ist mir bewusst. Ich habe nämlich eine sehr massive alte Fräsmaschine und bin am Überlegen ob ich sie auf CNC umbaue, welche auf etwa 0,01 mm genau funktionieren soll. Allerdings frag ich mich wie ich das große Spiel in den Spindeln (~ 0,5 mm) umgehen kann. Könntest du auch ein Video darüber machen, wie aus Geometriedaten eines CAD Programms im CAM Prozessor für den Adriano lesbare Koordinaten/Vektoren werden? Und an Dich Norbert: Respekt! Du musst sehr viel Freizeit haben :D
...also in meinem Keller wirkt diese CNC schon reichlich "echt" ;-) Es gibt im Industriebereich sowohl Maschinen mit Linearsensoren (relative und absolute Positionierung) und entsprechendem Regelkreis, als auch "sture" Maschinen mit Schrittmotoren, die einfach davon ausgehen, dass ein Schritt einer vorgegebenen Bewegung entspricht jund auch Kombinationen beider Verfahren. Bei einem halben Millimeter Spiel in dem Spindelantrieb ist da nicht einfach was an der Software zu drehen und alles ist gut. Hier muss mechanisch etwas umgebaut werden, um das Spiel deutlich zu reduzieren. Ich habe es schon mehrfach geschrieben: Zu Software macht man keine Videos. Quellcode von Software versteht man nicht durch anschauen, sondern durch lesen und verstehen. Im Prinzip handelt es sich bei CAD-Dateien (CAD ist kein Format, eher *.dfx oder G-code) um die Angabe von Koordinaten, die in eine zu bewegende Anzahl von Schritte für die einzelnen Motoren (Achsen) umgerechnet wird. Ist alles Mathematik. Bin irgendwie dabei diese Freizeitbeschäftigung zum Beruf zu machen - dann hätte ich allerdings gar keine Freizeit mehr ;-)
I am interested in 3D printing, too. CNC v3.2 is not the end of the series. A lathe is also an interesting machine that is on top of my list of things to be done...
Ich zumindest kann nicht gut genug schweißen, um sowas ohne Verzug zusammenzubruzeln... Verschrauben ist für Anfänger die einfacher zu handhabende Lösung.
Ok Danke ,hatte mir gedacht ja hast recht. Aber selbst DU mit deinen Fähigkeiten würdest es mit einem MAG-Schutzgasschweissgerät herbekommen bzw. Punktschweissen und danach immer abkühlen lassen usw. Tolle arbeit,ähnelt einer alten stahlbrücke mit den vielen schrauben ;-)
Also mit einem MIG Schweißgerät habe ich schon zwei Enten vom Rost befreit und wieder TÜV tauglich gemacht (eine davon sogar zum Kombi umgebaut), aber mit so richtig 100%ig gerade krieg ich das nicht hin...
Nice ne 2cv,das ist aber noch richtiges Blech nicht das was wir heute haben.Wenn du Mig kannst dann auch Mag,ist ja nur ein anderes gas+zusatz/draht.Wenn ich durchgehent schweisse dann meistens mit 7/10 Glas dann sehe ich denn Lichtkegel beim einbrennen besser und die naht ist auch schöner und vorallem gerader,kenne ich xD Auf alle fälle schaue ich weiter was du wiedr mal Interessantes machst Weiter so ;-)
2CV und ordentliches Blech? Du hast noch an keiner Ente geschweißt. Die Dinger haben nicht mehr als 0.5mm Materialstärke (wenn man den Rost abzieht noch deutlich weniger). Andre Citroen war einer der Väter moderner Produktionsmethoden und hat schon damals schwer am Material gespart ;-)
The documentation for this machine is still under construction. Have a look at my pages: homofaciens.de/technics-machines-cnc-v3-2_en.htm or on Hackaday: hackaday.io/project/10299-self-replicating-cnc-for-194-or-more-countries to follow the progress the machine and documentation makes.
Why not having a look at my pages as told in the video? homofaciens.de/technics-machines-cnc-v3-2_en.htm Its part of the download package of CNC v3.2.1.
05:40: It is possible to press a bearings with an excentric nuts like the following guy. It consumes less material. It is still to invent how to fabricate them manually: /watch?v=7_YFMXEFvXg (point 5:55) Maybe some kind of bushing will work. Excentric (drilled) bushing can be installed inside a bearing and soldered or glued on a bolt of lesser diameter.
HomoFaciens if you take rod, cut it and drill an excentric hole, then it will be a 'common' part. It is possible to cut a cylindric bushing from aluminum even with a drill and a file. I could show you, but I just haven't an appropriate piece of aluminum.
Артур Файзуллин You're right, it would not be too difficult to make such an excentric nut, but the adjustment isn't that fine. I know systems like that from adjusting the handbrake on my car. I'll keep it in mind when overhauling the mechanics of CNC v3.2 - thanks.
Has multiple CNC machines, makes parts by hand for newer CNC iterations... Great job, just don't see why you couldn't use your CNC v2.0 to make some of the parts instead of hand building, as per your 'let the evolution of the CNCs commence' comment. :)
Thanks! Well, this is a submission to the HackadayPrize and as part of the contest I wanted to create the best CNC I can from scratch with nothing but simple tools. This will definitely become the machine that will be used to create new machines.
die Säulenbohrmaschine die er verwendet ist das günstigste Modell was es gibt, hatte ich selber mal. Auf ebay kostet die neu die 33% weniger wie im Baumarkt. Ebay aktuell 63€ Neu inkl. kostenlosem Versand. mfg
...da hilft zum Beispiel eine Ständerbohrmaschine mit einer normalen Bohrmaschine zu bauen - dazu gibt's Anleitungen auf RUclips und anderswo im Netz. Völlig ohne Bohren kommt meine CNC v0.6 aus: ruclips.net/video/JinjQ1rciPo/видео.html Die ist allerdings mehr zum Lernen und Verstehen gedacht und kein so präzises Werkzeug wie Version 3.2.
HomoFaciens hertzlich gluckwunsch zukennen zu lernen. I wonder if you could use ultrasonic sensor, an electrical key (/Micro controller), a compound gear box (to increase torque). by using lower power dc motor and gear box you can mitigate (or even remove) inertia (because of low torque as soon as you open the key, gear will be stopped) and increase accuracy. by the way optical sensor also can be used with gear box.
HomoFaciens excuse me, its for your another video, about stepper motor, which you used optical sensor and one gear, which is not very accurate, because 1) to prevent overshoot, you should slow down the speed of motor at end of motion, and 2) maximum gap (gaps in gear) you can use with optical sensor is about width of sensor so with ultrasonic sensor you can use linear motion calculation instead of circular calculation and with compound gear box you can mitigate or remove speed reduction at the end of motion. anyways your plan is awesome !!!
Well it's better to leave a comment at a video it belongs to or at least give the link to the accordant video. I still don't know exactly to what video you refer, because I made a couple of them regarding linear drives and motion sensing. Slowing down at the end of the video is done through PID control loops as demonstrated in my video about the Arduino Uno: ruclips.net/video/PQ1FBcQT0AI/видео.html It's hard to get the same precision with using ultrasonic sensors. Here I am moving 0.00833mm per step with a 30cm travel distance using a very cheap and simple setup. Getting the same result with ultrasonic sensors won't be an easy thing. In theory you get the absolute linear movement of the carriage when using the setup you suggest, which would be an advantage, but I am in doubt that you get this in practice. Nonetheless thanks for sharing your thoughts. Learn more about my investigations concerning linear motion sensing on my project page: homofaciens.de/technics-machines-cnc-v3-x_en.htm
You're doing wonderful work and giving me new inspiration every time I watch another of your videos. Thank you.
Great video. Your stuff is more educational than anything else I've found.
Really great tips on using a drill press accurately without buying expensive accessories! And using it as a guide to tap holes.. I've never seen that before. Great video as always.
Thanks! I got the tap-holes-tip from a RUclipsr after publishing my video about my CNC v2.0 - it works perfectly.
Using the drill press to tap!! Brilliant. Awesome work
I'm just so happy that videos like this exist. *sighs happily* It is good to live in the future.
...future starts today ;-)
Hi! This is an amazing project, and seeing you work your way up from digital encoders and simple motor drives up to a complete CNC machine is an incredible saga! I really hope you get to win the HaD Prize!
I have a small question for you: wouldn't it be better to add some oil to the water (as an emulsion) and use it as cutting fluid instead of plain water? I do remember doing it during machining class :)
Yes, besides cooling, lubrication is essential for router tools to get best results. In this early state I used nothing but water, because that liquid evaporates when splashed around my workshop (remember the machine is still in an early prototyping state and there is still no closed circular flow of liquid).
Thanks for sharing your ideas!
Looking forward to see the advanced version and it's capabilities
i was inspired by your previous videos, and built my own cheap cnc... i know the pain of hack sawing, filing, drilling and tapping millions of features you have had to go through.. nice work, i only wish the software was available for windows.. but thanks for sharing all your stuff :)
You're welcome! Is there a link to your CNC video? The idea of Open Source is to share knowledge and inspire even more people.
Windows? Not as long as it is closed source!
You can dual-boot, have both linux (e.g. for cnc machines) and windows for what ever you need that for ;)
i agree with the open source stuff... but im not so much into computer work... i guess out of laziness i havent installed linux yet.. i even have a raspberry.. but i cant make myself to install the os (dont have an external monitor so it should be headless install... too much trouble for my gearhead mind). i recently started uploading some videos on youtube, soon i will show the cnc as well :)
...I have no need for Gigabytes of closed source spying software. Linux does all I need and has Gigabytes of additional software for needs to come ;-)
Atomic Workshop
Honestly if you just use your pc for general purpose stuff and aren't dependent on windows specific software then linux is a great alternative.
I recommend linux mint with the MATE gui: www.linuxmint.com/edition.php?id=220
Easy to install (either as a replacement or addition to windows) and easy to use :)
You've been busy !! very Nice. One question do you work out the dimensions of most things using a cad package or just kind of sketch it out. Thanks
Very busy ;-)
As written on the Hackaday blog, I was using OpenSCAD for this machine for the first time:
hackaday.io/project/10299-self-replicating-cnc-for-194-or-more-countries
The previous machines were designed using the rule of thumb.
Oh Man, you are really dedicated to this work. Thumb up for every of Your video.
Great Video! I do work on my own CNC project, and I wanted to ask something. Does it happen for you that nuts/bolts loosen over time due to micro vibrations from motors? I was curious if it's a common thing and if it has a solution?
This machine is still under construction. I have worked no more than around 15 hours with the low power configuration of this machine, thus I can't give a prediction if this is an issue for this machine. I will publish problems like this on the Hackaday Blog:
hackaday.io/project/10299-self-replicating-cnc-for-194-or-more-countries
or my project page:
homofaciens.de/technics-machines-cnc-v3-2_en.htm
Same is for solutions I find practicable to go around such issues whenever they occur.
Stay tuned!
Каждое ваше видео приводит меня в восторг!!! Просто о сложном. Спасибо Вам!
пожалуйста
let the revolution of cnc machines begin
...it's at least a very good starting point for machine evolution - I'll be back!
i suggest that you use linear guide screw, this will save you tons of time for adjustment for accuracy.
The idea behind this machine is not to use special parts and that's why I am using common threaded bars and ball bearings.
ok, anyway you done a great job, hope to see more improvement, maybe start with a 10mm cnc milling process.
Hi your videos are very interesting, I am very excited to see a 3.2 cnc cutting performed with G-CODE file! excellent work.
respect for all the hard work you do, so people with less resources can improve their life quality. love the way you go lowtech and achieve a sophisticated working machine! kudos! friendly greetings, Jörgen
how did you learn all that stuff?! And, how did you fastened the rod in the bearing at 08:30?
It's the free end of the rod, thus it is not fastened in the bearing, just running through it.
how I wish for a workshop and an income!
good job looking forward to the next
não consigo executar o programa que roda a maquina poderia me dar uma luz ,o ide no Arduíno tudo bem mais o programa que executa os desenho e o problema poderia me ajudar como funciona obg
Wie ist das eigentlich bei echten CNC Maschinen gemacht: Haben die Linearsensoren am Maschinenbett und die Elektromotoren sind dann positionsgeregelt oder sagt man sich einfach, dass das Spiel in den Kugelgewindespindeln nahezu 0 ist und man deswegen die Motoren gesteuert (nicht geregelt) betreiben kann. Oder gibt es beide Konzepte? Das zusätzlich Ungenauigkeiten durch elastisches Verbiegen der Maschinenteile hinzukommt ist mir bewusst.
Ich habe nämlich eine sehr massive alte Fräsmaschine und bin am Überlegen ob ich sie auf CNC umbaue, welche auf etwa 0,01 mm genau funktionieren soll. Allerdings frag ich mich wie ich das große Spiel in den Spindeln (~ 0,5 mm) umgehen kann.
Könntest du auch ein Video darüber machen, wie aus Geometriedaten eines CAD Programms im CAM Prozessor für den Adriano lesbare Koordinaten/Vektoren werden?
Und an Dich Norbert: Respekt! Du musst sehr viel Freizeit haben :D
...also in meinem Keller wirkt diese CNC schon reichlich "echt" ;-)
Es gibt im Industriebereich sowohl Maschinen mit Linearsensoren (relative und absolute Positionierung) und entsprechendem Regelkreis, als auch "sture" Maschinen mit Schrittmotoren, die einfach davon ausgehen, dass ein Schritt einer vorgegebenen Bewegung entspricht jund auch Kombinationen beider Verfahren.
Bei einem halben Millimeter Spiel in dem Spindelantrieb ist da nicht einfach was an der Software zu drehen und alles ist gut. Hier muss mechanisch etwas umgebaut werden, um das Spiel deutlich zu reduzieren.
Ich habe es schon mehrfach geschrieben:
Zu Software macht man keine Videos. Quellcode von Software versteht man nicht durch anschauen, sondern durch lesen und verstehen. Im Prinzip handelt es sich bei CAD-Dateien (CAD ist kein Format, eher *.dfx oder G-code) um die Angabe von Koordinaten, die in eine zu bewegende Anzahl von Schritte für die einzelnen Motoren (Achsen) umgerechnet wird. Ist alles Mathematik.
Bin irgendwie dabei diese Freizeitbeschäftigung zum Beruf zu machen - dann hätte ich allerdings gar keine Freizeit mehr ;-)
waiting for the electronic part thank you so much
would be interested in making a 3D printer? or just to cnc????
I am interested in 3D printing, too. CNC v3.2 is not the end of the series. A lathe is also an interesting machine that is on top of my list of things to be done...
today your my hero , love you , and love the way that you speak
how deep can milling?
The Z hub is around 70mm.
Verformt sich das Grundgerüst zu sehr wenn man es schweissen würde?
Ich zumindest kann nicht gut genug schweißen, um sowas ohne Verzug zusammenzubruzeln...
Verschrauben ist für Anfänger die einfacher zu handhabende Lösung.
Ok Danke ,hatte mir gedacht ja hast recht. Aber selbst DU mit deinen Fähigkeiten würdest es mit einem MAG-Schutzgasschweissgerät herbekommen bzw. Punktschweissen und danach immer abkühlen lassen usw. Tolle arbeit,ähnelt einer alten stahlbrücke mit den vielen schrauben ;-)
Also mit einem MIG Schweißgerät habe ich schon zwei Enten vom Rost befreit und wieder TÜV tauglich gemacht (eine davon sogar zum Kombi umgebaut), aber mit so richtig 100%ig gerade krieg ich das nicht hin...
Nice ne 2cv,das ist aber noch richtiges Blech nicht das was wir heute haben.Wenn du Mig kannst dann auch Mag,ist ja nur ein anderes gas+zusatz/draht.Wenn ich durchgehent schweisse dann meistens mit 7/10 Glas dann sehe ich denn Lichtkegel beim einbrennen besser und die naht ist auch schöner und vorallem gerader,kenne ich xD Auf alle fälle schaue ich weiter was du wiedr mal Interessantes machst
Weiter so ;-)
2CV und ordentliches Blech? Du hast noch an keiner Ente geschweißt. Die Dinger haben nicht mehr als 0.5mm Materialstärke (wenn man den Rost abzieht noch deutlich weniger). Andre Citroen war einer der Väter moderner Produktionsmethoden und hat schon damals schwer am Material gespart ;-)
Super CNS from metal scraps. as always informative. tnx.
Wow amazing work, thanks for sharing you knowledge with us, such an inspiring channel.
Great fun! Thanks for sharing :)
very nice looking mechine
wow, awesome cnc again! this is a big one!
...and heavy metal (more than 60kg).
Cool Master, Looks solid like a big bertha :)
...made for a long lasting peaceful mission ;-)
Thanks for sharing your mods with us
Excelente este video, me gusta la máquina, me motiva a construir una con todo lo que he aprendido en este canal.
The documentation for this machine is still under construction. Have a look at my pages:
homofaciens.de/technics-machines-cnc-v3-2_en.htm
or on Hackaday:
hackaday.io/project/10299-self-replicating-cnc-for-194-or-more-countries
to follow the progress the machine and documentation makes.
@@HomoFaciens Hi dear Norbert, what are the lengths of the cut pieces?
Why not having a look at my pages as told in the video?
homofaciens.de/technics-machines-cnc-v3-2_en.htm
Its part of the download package of CNC v3.2.1.
@@HomoFaciens Ohh you are right! Thank you!!!
05:40: It is possible to press a bearings with an excentric nuts like the
following guy. It consumes less material. It is still to invent how to
fabricate them manually: /watch?v=7_YFMXEFvXg (point 5:55)
Maybe some kind of bushing will work. Excentric (drilled) bushing can be installed inside a bearing and soldered or glued on a bolt of lesser diameter.
You can change that if you'd like to, but those excentric nuts are special parts and I'd like to use common parts.
HomoFaciens if you take rod, cut it and drill an excentric hole, then it will be a 'common' part. It is possible to cut a cylindric bushing from aluminum even with a drill and a file. I could show you, but I just haven't an appropriate piece of aluminum.
Артур Файзуллин
You're right, it would not be too difficult to make such an excentric nut, but the adjustment isn't that fine. I know systems like that from adjusting the handbrake on my car. I'll keep it in mind when overhauling the mechanics of CNC v3.2 - thanks.
Great video as always!
lindo proyecto e ingenioso.
Love your work
Has multiple CNC machines, makes parts by hand for newer CNC iterations... Great job, just don't see why you couldn't use your CNC v2.0 to make some of the parts instead of hand building, as per your 'let the evolution of the CNCs commence' comment. :)
Thanks!
Well, this is a submission to the HackadayPrize and as part of the contest I wanted to create the best CNC I can from scratch with nothing but simple tools. This will definitely become the machine that will be used to create new machines.
könntest du deine Maschine nächstes mal ohne Ständerbohrmaschine bauen ich hab sogar zum beispiel nicht
sowas*
die Säulenbohrmaschine die er verwendet ist das günstigste Modell was es gibt, hatte ich selber mal. Auf ebay kostet die neu die 33% weniger wie im Baumarkt. Ebay aktuell 63€ Neu inkl. kostenlosem Versand. mfg
...da hilft zum Beispiel eine Ständerbohrmaschine mit einer normalen Bohrmaschine zu bauen - dazu gibt's Anleitungen auf RUclips und anderswo im Netz.
Völlig ohne Bohren kommt meine CNC v0.6 aus:
ruclips.net/video/JinjQ1rciPo/видео.html
Die ist allerdings mehr zum Lernen und Verstehen gedacht und kein so präzises Werkzeug wie Version 3.2.
Ich hab für meine vor etlichen Jahren 175,- D-Mark im Baumarkt hingeblättert.
+HomoFaciens ob diese auch die Präzision einer echten hinkriegt und auch Stahl bohrt ohne sich all zu sehr zu verdrehen ist die frage
incredible.
thank you soo much!
you are the best!
indeed Germans are inborn engineers ! i enjoy deutsch version the most, thank you !
Bitte gerne!
HomoFaciens hertzlich gluckwunsch zukennen zu lernen. I wonder if you could use ultrasonic sensor, an electrical key (/Micro controller), a compound gear box (to increase torque). by using lower power dc motor and gear box you can mitigate (or even remove) inertia (because of low torque as soon as you open the key, gear will be stopped) and increase accuracy. by the way optical sensor also can be used with gear box.
Sorry but I don't understand what your "key with a gearbox" idea is about.
HomoFaciens excuse me, its for your another video, about stepper motor, which you used optical sensor and one gear, which is not very accurate, because 1) to prevent overshoot, you should slow down the speed of motor at end of motion, and 2) maximum gap (gaps in gear) you can use with optical sensor is about width of sensor so with ultrasonic sensor you can use linear motion calculation instead of circular calculation and with compound gear box you can mitigate or remove speed reduction at the end of motion. anyways your plan is awesome !!!
Well it's better to leave a comment at a video it belongs to or at least give the link to the accordant video. I still don't know exactly to what video you refer, because I made a couple of them regarding linear drives and motion sensing. Slowing down at the end of the video is done through PID control loops as demonstrated in my video about the Arduino Uno:
ruclips.net/video/PQ1FBcQT0AI/видео.html
It's hard to get the same precision with using ultrasonic sensors. Here I am moving 0.00833mm per step with a 30cm travel distance using a very cheap and simple setup. Getting the same result with ultrasonic sensors won't be an easy thing. In theory you get the absolute linear movement of the carriage when using the setup you suggest, which would be an advantage, but I am in doubt that you get this in practice.
Nonetheless thanks for sharing your thoughts.
Learn more about my investigations concerning linear motion sensing on my project page:
homofaciens.de/technics-machines-cnc-v3-x_en.htm
Open my eyes.
Everthing is good, but you sound like a Arnold Schwarzeneger. I must say that you yust continue with videos.
I am back! My latest video about another type of CNC manufacturing:
ruclips.net/video/5BGM4PuihEQ/видео.html
;-)
you rock!
SAY HAMMER AGAIN!!!!!, BIG DOG
Охренеть можно!
супер классно чпу
спасибо