Quantity   Component name
1 × 1/4" Acrylic sheet, 24" x 24" eBay or local sign shop:: $23 (Rings and Holders)
1 × M5x12 Black Steel Allen Socket Head Screws (50 ct) eBay: $5 (Holders)
1 × M5 tap eBay: $1 (Holders)
1 × 6x6mm cylinder magnets (50 ct) eBay: $12 (Rings)
1 × Laser pointer Dollar store: $1 (Laser Ring)
1 × Battery Holder AAA with switch eBay: $1 (Laser Ring)
1 × M3x8 Stainless Steel Round Head Screws (25 ct) eBay $3 (Adj. lens ring, rotator ring, exotic rings)
1 × Husky 16-1/2 in. 8-Bin Deep Pro Organizer Home Depot: $15 (Case)
1 × Foam sheets, various thicknesses (10 ct) Art supply store: $5 (Lens folio shelves)
1 × Pressed cardboard sheets (3 ct) Art supply store: $3 (Lens folio shelves)
1 × 1/2" Clear acrylic sheet, 8" x 8" (1 ct) eBay: $12 (Lens profiles)