Free to add anything! step 1: add a new costume to the "sprites" sprite step 2: draw your object (make sure it fits in the square template) step 3: add a label and size using black text with "handwriting" font step 4: name your costume using size in meters (scientific notation) step 5: see your object in the comparison! step 6 (optional): remix and save your work
Warning! you might need a better computer to use this project, use turbowarp if you have a potato cpu I like chemistry so here you have like a ton of atomic stuff idk special thanks: https://scratch.mit.edu/projects/912317441/ (@AstroLemonoid)