In case you're struggling to cut neat circular holes in cardboard boxes 🙃
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updated February 14, 2024

Description

PDF

A set of simple balloon sizers.

Print face down & mirror if you want your heatbed texture on the top surface with the numbers the right way round.

9" & up are split into pieces to fit on the bed of my printer. A small dab of superglue holds them together nicely.

Model origin

The author marked this model as their own original creation.

License