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#1 2022-08-03 12:36:47

Loohan
Administrator
Registered: 2014-10-31
Posts: 32,762

big crystal molds

Silicone Crystal Tower Resin Molds
There are various eBay vendors for this. The best deal i found for 3 of different sizes is
https://www.ebay.com/itm/144449088439
I have not had a chance to use them yet but they seem impressive. Just got them in.

Actually the 2 smaller ones are the same size except for one being slightly shorter. And maybe 2mm thinner.

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#2 2022-08-14 07:27:38

Loohan
Administrator
Registered: 2014-10-31
Posts: 32,762

Re: big crystal molds

DT.8.14.22.jpg
The fact that the 2 smaller ones are so close in size makes them convenient for making double-terminated crystals.
This piece came out slightly skewed (though not very apparent from this angle), presumably because i filled the larger mold too high before setting in the smaller piece. It is probably better to leave at least 3/4" empty at the top to leave enough mold to hold the smaller piece straight.

What i DON'T like about these molds: they should have tapered the shaft sections a bit. This would make the molds much easier to remove. It takes a fair bit of finger strength and effort to peel them off. All you arthritic old ladies out there would probably have to CUT the molds off.

Also, a bit of taper would make the pieces more resemble natural crystals, which would be not only an aesthetic improvement, but in many cases, would allow for better energy dynamics.
Also, peeling them off puts the molds under considerable stress, probably shortening their useful lifespan.

Hopefully someone out there with more of a brain can manufacture similar molds with a better shape.
To make them usable for making DTs, the end sections would have to be parallel but after that the molds could be tapered.

Incidentally, the tip angle is more acute on these than on quartz crystals.

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#3 2022-08-15 09:24:14

Diego De La Vegan
Enabled users
From: south of heaven
Registered: 2019-07-23
Posts: 112
Website

Re: big crystal molds

Looks pretty good! I ordered a pack of 3 from ebay a couple of weeks ago.


. .. Ok, you people! Sit tight, hold the fort and keep the home fires burning. And if I’m not back by dawn... call the president.. .

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#4 2023-10-15 02:00:16

Loohan
Administrator
Registered: 2014-10-31
Posts: 32,762

Re: big crystal molds

10.14.23.jpg
The fatter crystal upper left and the gray one upper right were made with these molds.

I discovered that if the cast is short enough, as in the one right, It is easily removed by squeezing it out from the bottom. First i broke away the mold from the cast by pulling the top of the mold apart.
I like the short wide shape and it is much easier to get out than long ones.

The one right was much more difficult but essentially removed the same way. Couldn't fully break it loose the same way.
I always use silicone spray as a lube for silicone molds.

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