How do you creat drawing for this 4 symmetric dovetail slot?

BL-303-SV Dovetail Seismic Anchor - BLOK-LOK dovetail slot Cast in dovetail slot, available in stainless steel or pre-galvanised steel V29s are pre-filled with polystyrene to prevent concrete ingress dovetail slot The Seismic Notch forms a seat to accommodate 9 gauge or 316 diameter continuous wire Head fits 305 Dovetail Slot GAUGES: 1 wide x 14 ga , 12 ga , or 11 ga

slot machine bonanza Dovetail Slots cast in forms 1 Anchors to Concrete: Mill galvanized steel MATERIALS NO 100 STANDARD DOVETAIL ANCHOR SLOT