Splitting an object into two

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 From:  tom_tm (TOMF)
12046.1 
Hi forum!

If I say draw a box or a cylinder etc, draw a line around the middle (or anywhere up or down the object), what is the most efficient way to cut one single object into two separate pieces?

Tom
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 From:  BurrMan
12046.2 In reply to 12046.1 
Boolean for solids

Trim for surfaces

Both will use “projection” with the cutter so it doesnt need to be placed “on” the obect.

There is also an old “quick split” scripts that will quickly divide objects like that
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 From:  tom_tm (TOMF)
12046.3 
I've no scripts installed yet, but would you be a little more specific on how best to use the boolean tool here for solids?

I've been using booleans an awful lot since buying MoI3d a few days ago.

Fantastic software MoI3d is, I'm still learning! Better than... cough... Rhino IMHO (even though Michael 'invented' that too!)
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 From:  Frenchy Pilou (PILOU)
12046.4 
Boolean DIff ?
Right Click for Done
Click Volume not wanted
Press Key Delete (or red X) for kill line + volume not wanted in the same time!

For a cylinder take a diameter! ;)
For a complex object take a plane (or an extruded line/curve )

EDITED: 21 Jul by PILOU

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 From:  tom_tm (TOMF)
12046.5 In reply to 12046.4 
Fantastic! Thanks Pilou! Perfect.
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 From:  Frenchy Pilou (PILOU)
12046.6 In reply to 12046.5 
Press "Keep object" if you want 2 objects! ;)
---
Pilou
Is beautiful that please without concept!
My Moi French Site
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 From:  BurrMan
12046.7 In reply to 12046.3 
""""""""""but would you be a little more specific on how best to use the boolean tool here for solids?""""""""""

This should have the little nugget you were looking for!

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 From:  Frenchy Pilou (PILOU)
12046.8 
A cool function can be the Native ExplodeMove after a multiple Boolean (Merge here) ! ;)

Voronoi for the perpendicular faces!




Boolean Merge the 2 perpendicular planar curves
then ExplodeMove as shortCut or Press Tab and write ExplodeMove


Of course ExplodeMove will work also with some Boolean Diff! ;)

EDITED: 22 Jul by PILOU

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 From:  Frenchy Pilou (PILOU)
12046.9 
Boolean Isect make the same but don't make the Trim between volumes themselves!

But can be useful for some real time modeling!

If Isect launched you must all redraw if you want Add or erase something on the resulted volume!
But all existing can be rotated, moved, resized!
Diff will be automatic if curves are in the same set (circle inside square = tube ) and Union Sets enabled!






EDITED: 22 Jul by PILOU

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 From:  tom_tm (TOMF)
12046.10 In reply to 12046.4 
Sadly, this technique doesn't always work. Or at least as a split tool, it's unreliable.

Will try Burrman's suggestion.
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