Johnson Solid nr 18 to 34

thingiverse

Once again I'm excited to find a list of solids to design. This time, I hope I can bring all 92 of them to life in stunning 3D visuals. I've decided not to print them all (there are indeed 92), but please include a picture with the number of each solid you do decide to print. I'll publish these designs across multiple files, each bearing the title: Johnson Solid nr (the numbers listed below). In 1966, Norman Johnson published an exhaustive list that included all 92 solids, assigning them names and numbers. Although he didn't provide a formal proof that there were only 92, he did make an educated guess that none existed beyond this list. Victor Zalgaller confirmed Johnson's list as complete in 1969. Here are the solids: Jn1: Square Pyramid Jn2: Pentagonal Pyramid Jn3: Triangular Cupola Jn4: Square Cupola Jn5: Pentagonal Cupola Jn6: Pentagonal Rotunda Jn7: Elongated Triangular Pyramid Jn8: Elongated Square Pyramid Jn9: Elongated Pentagonal Pyramid Jn10: Gyroelongated Square Pyramid Jn11: Gyroelongated Pentagonal Pyramid Jn12: Triangular Bipyramid Jn13: Pentagonal Bipyramid Jn14: Elongated Triangular Bipyramid Jn15: Elongated Square Bipyramid Jn16: Elongated Pentagonal Bipyramid Jn17: Gyroelongated Square Bipyramid Jn18: Elongated Triangular Cupola Jn19: Elongated Square Cupola Jn20: Elongated Pentagonal Cupola Jn21: Elongated Pentagonal Rotunda Jn22: Gyroelongated Triangular Cupola Jn23: Gyroelongated Square Cupola Jn24: Gyroelongated Pentagonal Cupola Jn25: Gyroelongated Pentagonal Rotunda Jn26: Gyrobifastigium Jn27: Triangular Orthobicupola Jn28: Square Orthobicupola Jn29: Square Gyrobicupola Jn30: Pentagonal Orthobicupola Jn31: Pentagonal Gyrobicupola Jn32: Pentagonal Orthocupolarotunda Jn33: Pentagonal Gyrocupolarotunda Jn34: Pentagonal Orthobirotunda