Hi, V5 (inc layer bug) Is there a command I can apply to a number of solids to drop them down to have their bases touch Cplane. I want to break down my model into separate parts and sit them all on the same base plane for 3D printing, minimising the Z height for the build. Rather than have to se…

[image] bermu: Is this a private definition? No, not at all, but there is something wrong with Discourse, the links above seem to be invalid. I am posting it again below: AlignBottomToZero.py (401 Bytes)

Hello Helvetosaur, I just came across this thread and although the align bottom to zero tool is useful, is there an equivelant script to align the top of objects to zero? Or can you help me to modify the AlignBottomToZero.py file? Thanks

Hello - you can always use the Align command in a ‘side’ view and CPlane. -Pascal

This is currently what I do, or in some cases ‘move between’… I was just looking to speed up the workflow by creating buttons with the align to top and align to bottom scripts.

Unfortunately I haven’t a clue what I’m looking at when opening the script to make the changes from the bottom of the object to the top. lol

Here is a macro that might do it: Cplane rotate X 90 Plan CPlane View Align pause Top 0 UndoView UndoView CPlane Undo CPlane Undo -Pascal

[image] R0NINnoodles: I just came across this thread and although the align bottom to zero tool is useful, is there an equivelant script to align the top of objects to zero This should do it: AlignTopToZero.py (367 Bytes)

Is there a command to drop objects bases down to C plane en masse?

Rhino Rhino for Windows

brian (Brian Gillespie) August 26, 2026, 1:59am 27

RH-82386 is fixed in Rhino BETA

Topic		Replies	Views
Move all objects on the same bottom level Z value (ex Z=0) Rhino for Windows windows	22	12806	October 29, 2021
Move all elements to the plane Rhino for Windows	7	3770	November 5, 2014
Multiple parts constrained to one plane for 3d printing Rhino for Windows	3	965	December 26, 2015
Drop objects to surface / floor Rhino for Windows	14	8565	September 17, 2026
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Is there a command to drop objects bases down to C plane en masse?

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