Making a complex taper?


I am using Sketchup to draw files to make leather stamps with but I need to taper to a fatter base. Scale isn’t doing what I need.


Taper demo.skp (1.1 MB)


Crab 2d.skp (1.4 MB)


I am trying to taper this crab to a larger base.


open the component, (pushpull) extrude the shape the distance required, then select the 2D top or bottom, then scale that from a corner using the modify key to scale about center, enter size require with units


Scale is not the right tool for the job at hand. You need the faces of the base to be wider than their top counterparts. Scaling will make the base larger but won’t make the base wider the way you need it to be.

This shows the base of the crab scaled up.

In section you can see that the inner walls lean the wrong way. This would make a very weak stamp for leather work. The stamp would be brittle and likely shatter.

Instead make the base wider using Offset, Move the inner curves upward and connect them. Curviloft by Fredo might be a good choice for connecting the edges.

No matter what, you’ll need to work at a much larger scale.Either scale the model up while it is flat or use the Dave Method.


I’m not near a computer so I can’t check, but it strikes me that the emboss/engrave feature of Visuhole might give you the desired result.


Thanks pcmoor I did that yesterday before posting this question. I scaled it in 8 directions, 4 outward and 4 inward, then tried to merge them but just ended up with a mess.


Thanks DaveR. I will give it a try. I was hoping there was an extension that would do it.


There are extensions. I gave you one. And another was also given.


Thank you Box for the reply. I downloaded the extension but have been unsuccessful in getting the results I am looking for so far.


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