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Electric pencil sharpener

Electric pencil sharpener

A pencil sharpener will be useful for those who draw or draw a lot. The manufacture of such a machine will not cause difficulties, and the materials are publicly available. For its manufacture, the master needed the following

Tools and materials:
-
- Li-Ion battery 3.7V;
-Battery holder;
-Switch;
-Glue gun;
-Soldering iron;
-Knife;
-Cardboard;
-Pencil sharpener;
-The wire;
-Acrylic;
-Plastic cork;
-Drill;
-Pencil;

Step one: engine + sharpener
The plastic cover marks the center. Knife makes a hole. The motor shaft is inserted into the hole. Further, a hole is drilled at the end face of the sharpener (from the back of the funnel). Sticks the sharpener to the motor shaft and plug.






Step Two: Making the Case
Cuts a rectangle A 7.5 cm x 6.3 cm from cardboard. The motor is glued to the center.


Cuts a rectangle B 15 cm x 7 cm from cardboard. Glue A perpendicular to B.


Cuts side covers (see photo). A switch is installed on one of the sidewalls.


Connects wires according to the scheme: battery-switch-motor. Strengthens the case with a transverse insert. Glues the sidewalls.



Cuts and sets the front and back walls. In the back wall makes a battery door.




Cuts the top cover. Removes one layer of cardboard. Glues the top cover.


Step Three: Container
Pencil shavings will fall into the container. To control the filling, the author made a container with transparent walls.





It remains to insert the container into place.

Install the battery.


And you can start sharpening.


The process of making electric sharpeners can also be seen on the video.
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