Great project. I love glue by the gallon. Most folks underestimate how much glue they will need for a project like this. I love the larger router base you made. I'm sure it adds to the stability when routing those chamfers.
Heres the epoxy I used Clear Casting And Coating Epoxy Resin - 1 Gallon Kit www.amazon.com/dp/B074R32Q4Z/ref=cm_sw_r_cp_apa_234YAb4XG0CDQ And heres the Mica Powder Pigment: 42g/1.5oz "EMERALD GREEN" Mica Powder Pigment (Epoxy,Resin,Soap,Plastidip) BLACK DIAMOND PIGMENTS by CCS www.amazon.com/dp/B01IXBSPPO/ref=cm_sw_r_cp_apa_h54YAbSVCKJS2 I didn't have experience with either but I'd recommend them.
I believe that was a 3/4" mortising bit with a guide bearing. Anything that can plunge and follow a template will do. Flush trim bits would work perfect too.
How do you sand it down at the end without sanding the hell out of the wood? Epoxy and wood sand at different rates, and I can never seem to get a flat surface - the epoxy always mounds, and then I try to focus too much on it and end up with nasty grooves...
ggentry34 the clamps are made and sold by Rockler. They sell them on their website if you dont have a local store. They come in very handy for all sorts of glue ups. They go on sale every now and again so if you're patient you can get a good deal on them.
It was a Freud mortising bit with a guide bearing. 3/4 in. You can get them at Home Depot. The trick to getting a smooth bottom is going over the cut a few times. If your reference surface is smooth and flat, and you maintain constant and smooth pressure, that should transfer to the cut.