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I saw this and thought it was a great idea for orks, so I got it and was very disappointed with the results.

http://www.greenstuffworld.com/en/textured-molds/348-2x-rivets-rubber-molds.html

Smushing green stuff into the small holes was extremely tedious, and didn't result with anything usable at all.

I may try it with casting resin, but my results haven't been anything like what is shown on their page. Does anyone have any tips or suggestions on this mold, or ones like it?

I can't say for this mold specifically but I have used ordinary soft, flexible silicone rubber and smushed Green Stuff into it and usually it doesn't work out so well. I would recommended two things you can try though. The softness of the mold is the big problem, so holding it rigid, by using Lego bricks for example, will help. Then you'll likely need to use a lot more Green Stuff and really press the stuff in hard, then make sure you don't lift the squashed Green Stuff blob away from the mold and let it set.

I also see that the examples in the photos are very yellow, rather than green, you might try putting less blue into your Green Stuff to keep it soft, that might help too.

Jam in a little at a time with a small flat piece of plastic.
i figure that would work better than trying to smash the whole thing in. especially since there is no where for the pocket of air to go.

Part of my problem is also that I'm not sure if the mold is a 2-part, that is you need both halves to make one rivet, or if they're two identical sets of rivet molds. Both of the above are good suggestions, though.

I was somewhat hoping for someone who has used that mold, but I'll have to tinker with it.

Those are one part molds.

Looking at the temperature capability of the molds, I'd recommend a couple solid coats of release agent on the mold, use softer green stuff (easier to get into the holes, but I can't remember if it's more blue or yellow to make it softer), then putting it in your oven an the lowest temperature (to speed the green stuff curing). Once it's cured, peel the GS off the mold.

So, couple thoughts, after another try.

Firstly, 2-part resin was a bad idea. Was easier to put in, but a massive pain to get out. Plus, tons of air bubbles, so most of the rivets were useless.

After using Vaseline on my fingers, working with the green stuff got much easier. And the 2:1 yellow:blue mix also seemed to help a lot.

It's still kind of a major pain to smush the green stuff in the mold holes, but it's a hell of a lot easier than custom making every single one.

So, yeah, good product. Just takes some time to get the green stuff in the holes. Definitely recommend you don't cut your fingernails before doing this, you'll need them.

Also, the smaller set of rivets are basically microscopic. I wouldn't bother. But the top 3-4 sizes are very nice.

honestly it kinda sounds like the water filter beads rivets might be easier than this =/

but I guess at least you get a bunch at once, with a flat back so you wouldn't have to worry about them rolling off on you.

this wont give you multiple sizes , but you can make lots fast just using a sheet of shrinkydinks and a hole punch :

Alternatively, nail rhinestones. Get them of ebay for 100 for $1, spend ten bucks, never run out. Already flat on one side.

Maybe not exactly what you're after though.

Looking at the putty in the example images on his website it looks like he is using milliput instead of green stuff. That would be my suggestion with silicone anyway. Use a bit of talcum powder dusted on the mold as mold release and that should do you good.
Snitchy sends.

 GrandInquisitorOrdoXenos wrote:
this wont give you multiple sizes , but you can make lots fast just using a sheet of shrinkydinks and a hole punch :

You can buy hole punches in other sizes. That would be amazing if I could find a hexagon punch.

I use a 2mm hole punch an thin card, or 2-3mm half round beads