Thursday, May 30, 2024

3D Printing: Progressions (Junior School)

Challenge: To show clear progression as designs are reworked and remade.

Background:  We wanted to demonstrate an example of how a student might progress through their designs, or take a design and move it forward with different elements.  This student is a Y4 student who has shown a design element to her work in Tinkercad.  She was able to complete this activity independently in all three stages, in under one hour.

In the first instance she took a basic design (a heart) and then duplicated it three times before resizing the different stages.   She then added a personalisation with her name, and then further details with the star.   

The initial timeframe for this was forty minutes.   She created a design that was 20mm, 30mm and 40mm across, was 80mm high and had a thickness of 10mm.  This took forty minutes to complete.   

When the question was posed to the student - 'what was the purpose of this print?' or how could we develop this idea further the student then brainstormed and went onto step two - she decided to take the basic shapes and create a pair of earrings that could be worn.   To do this she took her base design and added holes which she felt would be appropriate for attaching to ear ring hooks.

She created a pair based around the initial design.   The pair measured 30mm, 40mm and 50mm across, was 80mm high and had the width of the next stage of the print reduced to 5mm.  As a consequence of these changes the print time remained the same (just under one hour).   

The student wanted to keep the designs plain however it should be noted that it would have been a basic and simple matter to take the design and create geometric patterns or shape and apply them to the base.

For the third stage when the student was asked to show progression again the student opted to take the design and make a holder for her stationary.  To do this she started with the base design, and then modified it by increasing its size substantially (to ensure that the weight of the designs would support pens or pencils going into the design).   

The student also wanted a potential holder for either a eraser or a pencil sharpener.  To do this she hollowed out a further section by the front left of the design. 

The design in this format measured 30mm wide at the top section, 40mm wide at the middle section and 60mm wide at the last section.   The design had the three visible holes sunk into it and was 90mm long.   The design was 30mm high as the student wanted this height to act as an anchor so it would be able to hold pencils and pens.

The student was looking at other potential uses for this design and shape however given a one hour timeframe, her iPad and Tinkercad this was what she was able to come up with.

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