Metalcaster wrote:I also make my own sprue wax in many different sizes and shapes... I made molds on all of them so I can inject as needed in any wax.
For me, the most important thing to do is to melt some of the wax onto the print , then use the wax welder to move it around a bit and get it to really bond to the b9 print material... then I weld the sprue to that area,,, have not lost any pieces due to sprues coming loose since I started that quite a few years ago.
I pretty much always design sprues into the 3d models. Like this:
That way, all I have to do is melt wax onto the base and place my prototype in the wax.
I've seen here that some of you actually create wax sprues, they way you do with wax (not resin) models. Every time I try to do this (I only have that blue wax in the pic), the wax will not stick to the resin.
Can y'all please advise as to how you do that? Is there a technique I'm missing? Am I using the wrong wax?
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