Better Plotz Modeller vs Pixel Circle Generator

Better Plotz Modeller has no write-up on Specifiction yet; its figures are above.

Pixel Circle Generator is a free web tool for making Minecraft circles, ellipses, arcs, and spheres. Shapes can be outlined or filled, with configurable outline thickness. Dimensions use radius or diameter controls; ellipses add an Ry setting, and arcs accept start and end angles. Sphere previews show one layer at a time from −R through +R, with an option to copy commands for every layer. Generated designs can be downloaded as PNG or SVG, copied as grid text, or converted to /setblock commands for one layer or all sphere layers. Preview controls adjust pixel size, block color, grid, and axes. The tool provides coordinate output and layer-by-layer viewing, but no 3D preview. It runs in a browser and has a free plan priced at free. The site states that it is not affiliated with Mojang or Microsoft.