I designed and printed my own little Shelfs for displaying cool prints in Solidworks. And i put them on the wall with double sided Tape, so no drillings and screws are involved :
4 Pcs Acrylic Floating Shelves, Small Shelf for Wall No Nails Self Adhesive Shelves Bedroom Display Floating Shelves for Photo, Alarm Clock, Plant - ...
Command Strip Double-sided Adhesive for Funko Figure Shelves Use This Double -sided Tape for Wall Mounting Figure Shelves - Etsy
Nano Double Sided Tape Heavy Duty, Sticky Nano Tape Clear Extra Strong Adhesive Tape Traceless Washable, Transparent Mounting Tape Gel Grip Tape Removable Reusable Non Marking (50mm*3m) : Amazon.co.uk: DIY & Tools
Double Sided Foam Tape Rolls - Removable One Side - Metal Shelf Tape - 472694
8 Pieces Acrylic Floating Shelves, 12 Inch Acrylic Wall Mounted Hanging Shelf Acrylic Bookshelf with 5 Meters Nano Double Sided Tape for Bedroom, ...
BOND IT Save Nails On A Roll Double-Sided Tape – Top Gear Plates
Gorilla - Heavy Duty Double Sided Mounting Tape, Weatherproof, 1" x 60", Black, (Pack of 1) : Amazon.co.uk: DIY & Tools