Introduction: 3V LED Lamp "Multiplication Table"

The small lamp is powered by a 3-volt battery. The lamp is made in the form of a multiplication tab

Supplies

  1. 3D Printer
  2. Filament (PLA or PETG)
  3. Box cutter or Deburring Tool
  4. COB LED Strip 3V, 120mm
  5. Battery CR2032
  6. (optional) superglue or hot glue

Step 1:

The STLs can be found on my Printable page here: Multiplication Table LED Light


Print Settings:

  1. Filament: PLA, PETG 
  2. Layer Height: 0.2 mm or less
  3. Wall loops: at least 3
  4. Infill: 20%, grid
  5. Top\Bottom shell: 3
  6. Supports: None
  7. Brim: As needed (depends on bed adhesion)

Step 2:

Gently bend the contacts into the hook shape of the LED strip and insert it into the lock.

Step 3:

Insert the lock into the top lid.

Step 4:

Check the operation of the LED strip.

Step 5:

Connect the top lid, table and multiplier bar.

Step 6:

At the bottom, hook the LED ribbon with a hook.

Step 7:

Thread the hook through the bottom lid and join everything together, you can drop a little glue if necessary. After that, cut off the excess part of the hook.


I hope you enjoyed this project.