How to make a quick smooth curve in ro scale sandbox

How to make a quick, easy, and smooth curve in ro scale sandbox. It doesn’t have to be 50 by the way, that’s just what I used

[@user-ok5mr6sr4k]

Omg, man you are the definition of incredible

[@reidthenavyengineproductio7002]

Oh my gosh thank you so much I needed this

[@takara203]

You are underrated. You've earned a subscriber

[@IAnded]

Thank you you fixed the problem my train kept on stopping for no reason I’m going to sub you are the best tutorial

[@roscalerailfanningandbuilding]

Yo you just helped me out a ton I was trying to get a big curve with gapfill yesterday and I couldn’t get it but I’m glad I found this video

[@whatisthis6259]

How do you use gap fill?

[@pluk_junior5542]

Thx man this really helped

[@nascara5cupseriesa5cubing18]

how did you select all the individual track pieces at the same time

[@Bruce_Version_2]

The build tool has a multi select all the way at the left

[@kirbyvacuumingchannel]

How to get building tools?

[@TheCanadianRailfanner]

They are in the tool bar at the bottom of your screen

[@Milos-Gaming-NL]

Or if you are on your phone then in your invertory