Computer 3D Revision

 Note: Please use 3D printing notes for more practise UPLOADED EARLIER

3D QUESTION BANK

Exercise

i.         What is Tinkercad?
Tinkercad is a simple online 3D design tool that is used to create simple designs from scratch or quickly modify existing designs.

ii.                   Explain the significance of the Ruler tool.
The ruler tool is in the helpers section on the right hand side of the Tinkercad window.
It allows us to measure the different dimensions of objects and distances between them.
iii.                  Explain the steps to change the measurement units to Inches?
Tinkercad allows you to change the unit of measurement with the Edit grid button.
Click on the drop down arrow of Units to switch to Units / Inches.
iv.                 What is the use of Edit Grid?
It is possible to modify the size of the grid in Tinkercad.
This is helpful when you want to make sure that your design will fit on your printer without having to scale it


v.                   Explain the main components of a 3D printer.
Filament
Extruder
Nozzle
Print bed
Layer cooling fan
SD Card reader



vi.                 List some of the measures involved in the maintenance of a 3D printer.

Do not use the printers unless you are being trained.
Always keep the built plate clean.Ensure surfaces that slide against each other are sufficiently lubricated to operate smoothly and not cause friction that could physically wear out the parts.
The nozzle may clog from time to time. Thus you should clean the nozzle periodically with a small drill.Tighten the pulley screws as due to the continuous motion there are vibrations in the system that result in the loosening of the pulley screws.
Always remove the filament from the printer and keep it away from moisture when the machine is
not in use.

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