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Testing and Eval

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Testing and Evaluation When making my design I faced a few problems, I had some faults in my design spec. which I had to change and re think. For example I found that the stresses would be to large on my base with the weight of my hand, so therefore I opted to make a second base to allow the stress balance to be spread between the two. I did this because after time the stress could cause my wood to crack. I also had a problem with my hand. I originally imagined it to be made out of wood; however this would have been to time consuming so therefore I decided to make it out of metal. The process I had to use for my hand was sand casting. To make this happen I had to make a dummy hand to use for the sand casting. For this I had to use a normal latex rubber glove and fill it with some plaster of Paris. The slight problem was when the plaster was drying due to the strange shape I required the latex glove especially at the fingers made a really loose bond between the hand structure and the fingers. ...read more.


I have many different techniques to make my job stand out as much as possible. For one I used LED's to create the lighting effect however I also used sycamore and metal to construct my basic design layout. The wood that I used I sanded and polished so that it was very smooth, with no sharp edges. One of my specification points stated that I shouldn't have any sharp edges on my work so that it's suitable for little children. Another point is that I must use a large range of different materials. I think that I met this point well however in my original design I was using plastic swell however with the method of manufacture that I first came up with it wasn't viable to work with and I had to change the design so that it didn't have plastic incorporated. I had to change it because of the complex structure that my hand had. The key factor was when I vacuum formed my hand I wouldn't be able to get the mould out of the plastic, and if I had then the plastic would have possibly split. This would have been to time consuming so I changed my idea to make it out of metal. ...read more.


Overall my design had to have a very distinctive look, something which would catch the eye of the customer and make them want to buy it. I think I grasped that concept well and made a design worthy of going into the wider market. If I had the time to make a different design, with the knowledge I have gained from this project then I think I would have made my design along the lines of something a bit more complicated because I found that the design I had was boring at times and I wanted it to have more features but at the time it wasn't feasible. I would have also used more materials, for example materials that aren't normally used, to make my design more original. By making my design as original as possible it would make it more appealing to a potential customer's eye. I was very pleased with the overall outcome of my light. I like the way my light is set out in 3 different sections, each having there very own part on my light. For example the first base has the light incorporated into the top layer. Allowing the light to shine through onto my hand. This creates a really strong effect on the hand above as the light shines straight onto the hand. ...read more.

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