Bunk bed with no screws
Here's a project I've been working on during my spare time for the past two years. It started off as a simple Tinkercad prototype which was printed as a scale model on MakerBot Replicator 2 for testing purposes. The idea worked great, however development was put on hold. Project finally resumed at the end of 2017 when the family grew yet again and the kid's room required a makeover.
A common pattern when thinking about furniture design is using screws/bolts to fasten things. This got me thinking if there was another way, a way which requires no fasteners – just simple design thinking.
The bed was designed around three main constraints:
- the mattress size (52"×28"),
- tight space the structure must fit into (72" in length) – with 1/4" of clearance on each side, and
- ability to be cut out of freely-available materials – a standard 3/4"×4'×8' panel was selected.
I wanted to cut out as little material as possible out of the side panels to keep them as strong as possible, I wanted to be sure it’s the safest it can be for kids. To commemorate the location of where this bed was designed, the top panel actually resembles Golden Gate bridge – the first bridge you see as you enter the Bay, and the oldest one, just like my oldest son (where he sleeps). Bottom one is the newest portion of the Bay Bridge – it is elegant and not as old as GG bridge, just like my younger daughter.
The beauty of this idea, however, is that one could truly customize their bed with everything from child names, to other, more complex/intricate designs. I wanted to keep with the super minimalist style for v1.
Another added bonus of this design is that – unlike most bunk beds on the market – it can be easily mirrored, meaning you could have the steps either on the left or the right side… Speaking of stairs, they were integrated for extra storage (can fit 12" books standing upwards) and at the same time greatly increase the overall strength of the bed structure.
You would also be pleased to know that the assembly of this bed requires absolutely no tools; only the disassembly requires pliers (for security reasons).
Now, unless you go out of your way to try and disassamble the bed, it will stay in-place without any problems. That might not be the fact with kids, however. My children dismantle anything and everything, so it was important to add an extra safety layer. In the spirit of not using any type of fastening, as well as the open design nature, I've designed a simple locking mechanism which can be easily 3D printed on most printers.