Power brick or PSU wall mount universal using Velcro double sided strap

I have started a new aquarium and have plenty of different power bricks (as I call them) but they are PSU or power converters from main to 12V or 24V or 9V and etc. Usually it's a 3D rectangle (cuboid) of all sizes: starting from 5cm by 10cm by 1cm and I saw massive 50cm by 20cm by 5cm. I have a wall behind aquarium I can easy screw those, but as I have around 14 of them of like 7 different sizes - it was a bit difficult to find something on Amazon, so I designed a VERY simple bracket, it's not big, but you can use couple oof them. Or different thickness to beef it up. As a mount I used a double sided velcro strap you can cut to size and simply pass behind and over using 20mm slots. Screw holes are 4mm with oversized countersunk holes. Hope someone will find this useful. UPD: Reuploaded two versions, original 13cm by 8cm and added a smaller one 10cm by 5cm. Let me know if you need different sizes. UPD2: Added 20cm by 10cm UPD3: Added biggest mount 10cm by 20cm with extra thickness allowing to have cross velcro slots, so it can be horizontal or vertical or both for added security. UPD4: Fixed some minor mistake in 200 by 100 and added 255 by 85 (perfect size for GHL Lightbar 3 - 320W PSU UPD5: After reviewing minor mistake it was not minor, all was affected... not sure how it happened, but now all models are accurate, no holes or irregular lines.