This grade method is also very objective (i hope). In our district we are NOT allowed to grade in a subjective way which is tough in our area so this is as objective as possible.
Gumball Machine Marking Sheet
Missing holes, holes not drilled on center, wrong sizes, unsanded, Block not to specified size
All holes drilled, fairly smooth from top to bottom. Centered close but not perfect..Okay transition for gumball, sanding okay…needs more…block sized but not square
Holes all 1”, All holes centered perfectly, smooth flow in holes for gumball, sanded perfectly smooth, block exactly as specified, square, well sanded edges
Does not work. Jams or allows flow of gumballs. Hard to turn
Works but needs to have block held while turning, gumball falls through but roughly
Spins perfectly, no effort needed, smooth but not wiggly. Gumball falls through perfectly
Decoration and Details
None or very little managed, parts on weakly or uneven.
Parts all there as in drawing but not exactly. Needs sanding or straightening, base is tippy
Stable, smooth, exactly like drawing. Sanded well, all pieces attached well… no glue-out, solid