Trapezoid Block

grabcad

Mass = 3194.77 grams1. Make a sketch of a center rectangle with all sides 96mm and a circle from the center R25. Extrude that but also use the draft feature by 18.5 degrees with the circle. Mirror that feature and then cut through all with the circle. Mass = 2195.20 grams2. Make a circle on the top side R35 and cut extrude by 10. Mirror this feature on both ends. Fillet the middle line by 39R. On the top draw a sketch with a quarter top selected and cut a it through to leave 3/4 of the structure.Mass = 2232.33 grams3.Make a sketch on the top and convert entities and offset them by 3 leaving a boarder that needs t be extruded by 10. Make a circle for construction on the center of the top R50. Make two diagonal line for construction for the slots 15xR3 to lay on the constructed circle and be on the diagonal lines. Cut through those slots by 10.