Voxel Shape Generator

Written 11:36 am 7/4/2012 Modifed 10:09 pm 2/8/2015

Use this tool to make spheres for Minecraft and the like. Idea originally stolen from Neil Fraser, but more recently inspired by friendly competition with my friend Jesse, whose Circle Generator seems a little two dimensional.

Update (2/8/2015) Attempting to make this a little more bad-ass. See here

Update (3/14/2013) GUI makeover- I'm attempting to speed everything up by only rendering tables when you're ready for them. I also added isometric modeling (with culling this time) in canvas that should let you preview the shape.

Update (3/12/2013) You can now draw your own shape with Bezier curves! Adding SVG rendering methods for speed, although it's not as easy to read as tables. I'll try to make that work a bit better.

Update (9/30/2012) The script has been updated to generate cones and domes. If you have any suggestions, add them to the comments.

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Posted by VR Addict on March 27th, 2019, 11:58 pm Reply

Wow! This made my day, and my Ship in a Bottle project so much easier..

I already created a tube but needed a bottle neck.. So I used your bezier curve option and its perfect..

many thanks. xxx

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Posted by Craftgamernl on February 8th, 2019, 7:00 am Reply

Why are the hollow and solid sphere shapes different?

Posted by Puglord on February 5th, 2019, 5:43 pm Reply

what do the different colors mean?

Posted by gray on February 11th, 2019, 9:56 pm Reply

the dark blue represents the layer that came before it. so that way it's easier to tell which blocks you're adding to the next layer.

Posted by Anonymous on February 6th, 2019, 11:13 am Reply

I dont know

Posted by Dannyjunk2@nc.rr.com on January 26th, 2019, 7:12 am Reply

I want to build a tubular ring around a space ship. Like a bicycle tire. The ring would be more oval than circular. Any idea on how to generate that map? The 3D world is 512x512x512 and the Depth of the tube is 40 beginning at the width beginning at position (x,y,z) -510,0,0 ; 510,0,0 then the tube would be 45 deep and 20 wide or inside wall -465,0,0 and 465,0,0. send me an email and I will return you with a picture of what is already built...

Posted by Minecraft expert on January 21st, 2019, 7:14 pm Reply

This website is awesome! It really helped

Posted by jerome on January 20th, 2019, 2:31 am Reply

well i want to build an airship and the balloon would be an oval shape but this only creates spheres

Posted by anonymouse on January 20th, 2019, 7:42 pm Reply

no it doesnt, all you have to do is click lock ratios to turn it off and change the width to make it a sideways oval

Posted by David on January 5th, 2019, 6:52 pm Reply

This tool is awesome! Is it possible to produce a list of fill commands that represent the structure? E.g. "fill ~-2 ~-1 ~-2 ~2 ~1 ~2 brick". Then we can download a *.mcfunction file of all these commands.

Posted by UrMom on January 2nd, 2019, 7:14 pm Reply

On the diagrams (layer pictures) please add dimensions because I kept memessing up when I miscounted something. Thanks