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Thanks everyone!
The bulk of information provided here is a testament to the both the quantity and sheer diversity of knowledge available at the drop of a hat.
Mikey,
Thanks for the tips. I will avoid ABS for any production version. Price is a factor, I just hope that it isn't going to be a ruling factor.
Gary,
Thanks for your in-depth reply. Although I have not designed an electronic device this time, I have no doubt that I will draw upon this information in the near future. I hadn't considered the lunch box analogy for plastic injection, but I can easily relate to it. With the work that I have done on the prototypes on the 3d printer already, I still wouldn't call the device complete. This is after this many hours, and 10's of versions already. Cost can be a real killer of invention, but I can respect that it needs to be worth while for all members involved. And when trying to cater for the amateur astronomer market prices have to be kept to a minimum. Thanks again Gary.
Geoff,
Thanks for the POC, I might drop by there tomorrow, at least to get an idea of price rather than discontinue my efforts though fear.
JJJ,
Thanks for the reminder on quality, I guess there is a fine balance between investment capital and quality of part. All I need made essentially is a shape/object so it would be interesting to see how much of a variance in quality there could be. But, having said that, spending 10 minutes cleaning each object would not be worth my while in the long run.
All up I still think I should try to get a short run of these objects made up at least. The few people that have using them seem to be impressed, I just hope that I have captured a large enough sample of amateurs to get a feel for demand. Fingers crossed......
Trent
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