Thingiverse
Pentominoes in a case
door Smoutech
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This is a set of Pentomino pieces in a handy carry case with swivel top. I designed it a few years ago after reading 'Chasing Vermeer' by Blue Balliett in which the main character solves a crime with the help of pentominoes. It's Nintendo DS size and a clear cover prevents the pieces from falling out. Later I made a batch of larger sets for our Maths department.
There are 2 layers of 3mm and 1 layer of 2mm acrylic. The surround of the Top layer was bonded to the Base layer with thin acrylic cement, Tensol 7. An M3 lock-nut is inserted from the very bottom and held in place by an M3 countersunk fastener that also allows the clear cover to swivel.
One of the files is in *.dtd format for direct use in UK schools where Techsoft 2D Design is widely used to laser cut.
There are 2 layers of 3mm and 1 layer of 2mm acrylic. The surround of the Top layer was bonded to the Base layer with thin acrylic cement, Tensol 7. An M3 lock-nut is inserted from the very bottom and held in place by an M3 countersunk fastener that also allows the clear cover to swivel.
One of the files is in *.dtd format for direct use in UK schools where Techsoft 2D Design is widely used to laser cut.
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