Fixture Block

Step 1: draw out a general sketch from the side view and put in you dimensions and boss extrudeStep 2: sketch on the top plane and use circles and a slot to cut extrude with proper dimensions and finally use the fillet tool with proper dimensionsStep 3: on the same plane yo can also cut the corner off, draw a triangle in the corner and cut exrudeSep 4: you sketch on the top slanted par of the object and draw a circle with the midpoint coincident to the edge and cut extrudeStep 5: for this i felt i could've made it easier but i decided too just and 2 boss extrude circle to each end of the bar that goes through the partStep 6: sketch on the very top of the object and cut extrude your square