Domsliced Pentominoes

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The domsliced pentominoes are pentominoes with half of two neighboring squares cut away. The pieces were suggested by Roel Huisman in the last century. For hand solvers it should be possible to produce 5-fold replicas of the pieces. The shown 6-fold replica was produced by program. All replicas are possible. Interesting for solid pieces are the 4x4x9 and 6x6x4 boxes, because some pieces must be orthogonal to the other ones. How I Designed This SVG-files for the perimeters were used to triangulate the bottom face and to get the corners of the orthogonal faces. To get no problems with the sliced U-pentominoes and the sharp corners of the polygon the sides were shifted with an inset of 0.2mm. The size of the original squares is 15mm.