IKEA BILLY filament rack brackets & drill template

What is this:Brackets, that mount on the sides of a BILLY bookcase (28cm/11" deep) so you can put cut to size rods (IKEA's RACKA) and use as filament spools storage. It fits 88 spools - 8 levels, 11 spools each. These brackets to use with both the 19mm and 16mm rods. I really liked the idea to use IKEA "materials" to build a filament rack. There is also included a drilling template. You need:IKEA's BILLY 11" deep bookshelf (I used 31.5" wide but it's up to you - you cut the rods accordingly)IKEA's RACKA curtain rod (I used the longer one, since is more cost effective)Wood screws, #8 x 3/4 worked great.1/8" wood drill bit to drill holes if you plan on maximum storagePipe cutter or any other means to cut the rods. Steps:Decide on what size bookshelf you will go for. There are generally two heights and widths. If you plan on going 31.5" width I recommend to use both the outer rod of the RACKA (19.5cm) and the inner (16mm) in it so you can put 10