Glyph Shop - Step 1 - Assemble

Screw threaded mounting rods into number.  Apply spacers if desired.

 
Glyph Shop - Step 2 - Template

Tape group of templates together and tape the full set to the wall. Use the template to mark locations of holes, and drill holes.  Use 5/16” bit for good results.

 
Glyph Shop - Step 3 - Glue to Wall

Glue number into holes using epoxy or similar type glue.  Double check that everything is level.  Using masking tape or similar, tape number to wall until glue is dry.