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- ditofialho commented on d0ddos's instructable Cardboard Calculator
- ditofialho commented on Luk---'s instructable Addiator (for Point Counting)
View Instructable »Do you have a PDF model of the parts so I can make a replica on paper?
- ditofialho commented on Luk---'s instructable Addiator (for Point Counting)
- ditofialho made the instructable Cardboard Calculator
Do you have a PDF model of the parts?