This is a toy System that made up of M30 bolts and nuts.
A while ago I designed the M30 bolts and nuts.
The feel of this screw was so good, so I wanted to make a systematic toy with this.
Print out the parts you like and assemble them.
I made a sample model. This is a four-wheeled vehicle that is in the pictures.
Wheels are wrapped with a silicone rubber color band(width12mm, dia65mm)
to make it colorful and Quiet running.
The parts list is shown below.
I designed several parts. All parts are designed based on M30.
-bolt_long (length=55mm for wheel mounting)
-plate_2holes_short (hole center distance=68mm)
-plate_2holes_long (hole center distance=96.167mm(68mm*root2))
-plate_3holes (hole center distance=68mm)
I made a lot of bolts and destroyed them.I felt it was the most difficult to maintain the strength of the bolt.Bolts are optimized for this toy system.
-The back of the bolt head is also Chamfered.
-In order to increase the strength, the root of the screw part is fleshed out.
One day, I printed out a spanner and used it against a bolt.As a result, the screw part was brilliantly destroyed.
Therefore, in order to further increase the strength, I decided to make a structure with a hole in the center of the bolt.This attempt was successful.
I add some files. These are stronger bolts in case of low infill density.
Bolt_caps are used to close the holes and make them colorful
-bolt_short_hole.stl (instead of bolt_short.stl)
-bolt_long_hole.stl (instead of bolt_long.stl)
-bolt_cap (use it as you like )