40 copies made with an intentionally loose fit for humidity concerns.
Eric mentions that Ronald Kint-Bruynseels was able to assist with the Burrtools design because Ronald, otherwise occupied with his own designs, was 'in a design slump', so perhaps the name 'Slump Cube' is a joke.
original description: https://cubicdissection.com/products/slump-cube.
♫:
▪ everything i have is in the photos.
▪ buyer pays shipping, calculated after the auction.
▪ shipment is by USPS Priority Mail, insured for the full sale price, and trackable.
▪ payment via PayPal only.
▪ all puzzles in my collection have been kept out of sunlight, in a humidity-stable room or sealed plastic container, away from pets unless they can solve them, and in a non-smoking household.
thank you for looking, and good luck if you bid.
:cameron: