What size Minecraft circle should I use for a tower?

Use 9 to 17 blocks for compact towers, 21 to 31 blocks for large bases, and 35+ blocks for arenas or mega builds. Odd sizes keep a clear center block.

Can I use this for domes and spheres?

Yes. Use the sphere layer list to stack circles from bottom to top. Repeat matching layer diameters around the center point.

Should Minecraft circles be filled or outlined?

Use outlines for walls, towers, wells, and frames. Use filled circles for floors, platforms, roofs, and terrain shapes.

Minecraft Circle Generator

Build clean circles, towers, domes, and sphere layers with a free browser-only planner.

Sphere Layers

Layer	Y Offset	Circle Diameter
1	-10	1
2	-9	9
3	-8	13
4	-7	15
5	-6	17
6	-5	17
7	-4	19
8	-3	19
9	-2	21
10	-1	21
11	0	21
12	1	21
13	2	21
14	3	19
15	4	19
16	5	17
17	6	17
18	7	15
19	8	13
20	9	9
21	10	1

Block Plan

Use # for placed blocks and . for empty space.

.......#######.......
.....###.....###.....
....##.........##....
...#.............#...
..#...............#..
.##...............##.
.#.................#.
##.................##
#...................#
#...................#
#...................#
#...................#
#...................#
##.................##
.#.................#.
.##...............##.
..#...............#..
...#.............#...
....##.........##....
.....###.....###.....
.......#######.......

Back to Tools

Curves made from blocks

Choose the footprint before stacking the build

A good rounded build starts with a readable ground plan. Generate the diameter, mark the axes, and complete one quadrant before repeating the pattern.

Edition & scope note

The plan is geometric and edition-neutral. Stairs, slabs, walls, and texture choices still change how smooth the finished silhouette feels.

01
Choose an odd or even diameter
Odd sizes have one center block; even sizes center between blocks and change how doors, paths, and interiors align.
02
Mark the main axes
Place the north, south, east, and west points first so the outline stays centered as it grows.
03
Repeat a verified segment
Build one quadrant carefully, then mirror its run lengths instead of estimating every side independently.

Keep the workflow moving

Useful next steps

Browse all tools

Related resource

Minecraft Circle Generator

Sphere Layers

Block Plan

Choose the footprint before stacking the build

Choose an odd or even diameter

Mark the main axes

Repeat a verified segment

Useful next steps

Choose the block palette

Develop the full build

Check the material crafts

Layer	Y Offset	Circle Diameter
1	-10	1
2	-9	9
3	-8	13
4	-7	15
5	-6	17
6	-5	17
7	-4	19
8	-3	19
9	-2	21
10	-1	21
11	0	21
12	1	21
13	2	21
14	3	19
15	4	19
16	5	17
17	6	17
18	7	15
19	8	13
20	9	9
21	10	1

Layer	Y Offset	Circle Diameter
1	-10	1
2	-9	9
3	-8	13
4	-7	15
5	-6	17
6	-5	17
7	-4	19
8	-3	19
9	-2	21
10	-1	21
11	0	21
12	1	21
13	2	21
14	3	19
15	4	19
16	5	17
17	6	17
18	7	15
19	8	13
20	9	9
21	10	1

Layer	Y Offset	Circle Diameter
1	-10	1
2	-9	9
3	-8	13
4	-7	15
5	-6	17
6	-5	17
7	-4	19
8	-3	19
9	-2	21
10	-1	21
11	0	21
12	1	21
13	2	21
14	3	19
15	4	19
16	5	17
17	6	17
18	7	15
19	8	13
20	9	9
21	10	1