The tools
Questions
How do I make a circle in Minecraft?
Pick a diameter above, then copy the green blocks onto the ground one row at a time. Start with the top row, count blocks from the dashed centre line, and mirror each row on the other side. Tap blocks as you place them so you never lose your place.
Should I use an odd or even diameter?
Odd diameters (like 21 or 31) have a single centre block, which makes it easy to line the circle up with a door, a beacon or a tower in the middle. Even diameters (like 20 or 32) have a 2 by 2 centre and look slightly smoother at small sizes. Both are correct circles.
Is Block Shape Generator free?
Yes. Every tool is free, with no sign up and no limits.
Do you store my plans?
No. Your shapes are worked out in your own browser. The Copy link button puts the size in the web address, so the plan lives only in the link you keep.
Does it work on a phone or tablet?
Yes. The tools work on phones, tablets and computers. On a phone, zoom in with the plus button and scroll the grid.
Why is my circle not perfectly round?
Blocks are square, so any circle made of blocks has steps. Bigger circles look rounder. Odd sizes such as 21, 31 or 41 tend to look the neatest.
What is the quarter pattern?
It is the number of blocks each row adds to the outline in one quarter of the circle, from the top row down to the middle. Builders use it to build a quarter and then mirror it.
Can I use the plans in my videos or servers?
Yes. Use the plans and the PNG downloads in any way you like.