DIY Modular Synth Case from IKEA ENUDDEN toilet roll holderContributorSeptember 28, 2015Media Storage6 Comments 0 I hacked 3 toilet roll holders into a modular synth case. I used the ENUDDEN Toilet roll holder. Made a 9U powered modular Synth case. Power Rail kit can be found here. Metal and screws all from B&Q. ~ stoolzo