RE-DESIGNED BASED ON ELEKSMAKER .The sigma profile dimensions I used in my design were set as 2* 430mm 1*520 mm 20*40. STEEL PLATE dxf ,cut from 4 mm steel sheet
STL (Stereolithography, filesize: 57.9 KB), STP (STEP, filesize: 1.5 MB), DXF (DXF, filesize: 288 KB)