3D Printing Acacia Lock

KINGOU Chinese Traditional 3D Wooden Acacia Lock Logic Puzzle IQ Brain Teaser Interlocking Burr Puzzles

1. Burr Puzzles have been found in Europe and Asia since the 18th century, It embodies the wisdom of the ancients, Burr Puzzles can take on many shapes, from the traditional burr seed shape, to balls, stars, and more.

2. This Burr Puzzle is specially designed to disassemble and reassemble, wooden Puzzles are classic and popular Puzzle Game toys, can train and develop your logic & improve your IQ, suitable for both young and old.

3. The wooden puzzles may look simple, but they contains lots of mysteries, they are usually easy to disassemble but difficult to assemble, each wooden Puzzle is special and unique, a lot of fun to play with.

4. Playing with wooden Puzzles can not only exercise brain, develop intelligence, improve problem-solving ability, but also relieve pressure, relax mood and gain pleasure, you and family will have quite a lot of fun through this interlocking brain toy.

In this Instructable, I will introduce how to design the simple one —— Acacia lock. It contained 6 pieces, printing them used a layer height of 0.2 mm. Then, assemble them together.The pieces have been designed with a small bevel on the edges and a slight offset to give a snug fit (but this may vary on your printer).

It looks very simple, but difficult to assemble them. Let's design and play with it!!

This is a very good example to use grid create the accurate shape.

Look at the shape of the pieces, draw the grid under it, you will find there are a lot of squares forming various shapes.

So, draw the sketch in 123D Design reference to the grid plane.

Select all the profiles and extrude them at the same, extrude height is 5mm.

The pieces have been designed a slight offset for all the touch face to give a snug fit. The clearance is 0.2mm

But this may vary on your printer. Suggest you can test before print all of them.

Designed with a small bevel on the edges of all the pieces.

You can print out them in one shot if your printer platform is enough.

Then, play with it!!

Design other types of the locks, play them.

It is funny!