Since building hands I have always had resentment for the Tippi Tips on the grounds that they are quite expensive, not hard wearing, limited colour or only mixed boxes, even the small ones don't fit well on smaller hands.
So during one of my many hangouts with Stephen Davies he mentioned plastic coating, I told him how I thought it had been tried before and was reported as not that good. Anyway not one to listen Stephen got some Plasti dip and tried it out. Encouraged by his results I got some as well and I have to say I am VERY impressed.
The stuff we are using is this - http://www.plastidip.co.uk
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There is a primer and a coating product. The primer helps with coating adhesion.
I have used both, Stephen is just using the coating on his hand at the moment.
We are both just using the clear version of the product.
Process is simple enough, dip finger in, wait to dry and dip again. Seems to take 2-3 coats to get a nice covering on. I dried mine on the washing line to much upset from my wife
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My test ones ended up with bubbles in but thats because I didn't read the instructions first; you don't shake it to mix but stir it in order to not get bubbles.
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Texture is smooth but does have that rubbery feel to it and Stephen reports it helps with grip; maybe not as much as a Tippi tip but noticeably more than just raw PLA.
Best thing is a little tin will probably cover a few hundred fingers and no need to worry about sizes any more !
Stephen is now working on a grove version of Jason's dental band fingers with the hope that when dipped the contours may further help with grip.