John Tries Resin Casting – VLOG
May 7, 2018 by johnlyons
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Nice video, I have tried making my own mould when I making a castle using plaster casting, I used the method you used there but I used a massage pad fixed to a board to try and vibrate out the air bubbles. I have no idea if that works with resin but it worked with plaster.
Pour the resin from a higher stand in a thin streak into the mould. After that, use the massage pad method to vibrate out the air bubbles as hairbrains mentioned. And try to keep the 2:1 ratio right. I´m actually starting with resin casting and have found some awesome tutorials on YT, unfortunatly for you, they are all in german. ^^
haha. Ok, so a vibration pad will help. I may have to run with the parts I have, times getting short. But I will be keeping this in mind 😉 Thank you
40 years ago I tried this, the trick was only to lightly fold in the catilist (not resin) and then to cover with acetate plastic. I suppose that cling film would do.
running a washing machine on centrifuge can stand in for a vibration pad in a pinch. also good for shaking paint pots
Fill your mold with a dry, fine sand to get a close approximation of your volume (pour it out into a measuring device, of course). Use medicine cups to measure out small volumes. Heat your mold in a microwave to help improve set time (may not be necessary with such a long hardening time.) For clear items, such as ice and probably these., I found you can use the pre-mixed clear stuff (I forget the brand) used to make ponds for railroad terrain and let the layer air dry. This does shrink and form a bowl in a small base… Read more »
I’ve found the brand I use needs to be measured exactly , both the RTV / catylist and the 2 part resin . Failure to do so results in bubbles and soft / bendy resin pieces and , much to my dismay a rubber mold of the Jello pudding variety . None of my pieces were damaged ,they just took ages to clean up and then a new mold was made . Best to read the instructions , my RTV is a 10 to 1 mix ( it works better if by weight than volume ) , while my resin… Read more »
Some amazing advice in here. I thought it best to just be honest and show you my first try, as we’ve all been there! I will certainly have to try again to see how it goes. 🙂
I have seen a heat activated molding compound for small component run’s this looks way if you’re making a Ork fourt or the like.
Fort not court.
Aah @#$@#$@#$# frack.
Never enjoyed myself as much watching pouring and stiring and more pouring and more stiring and even more pouring 😀
You could probably get a more consistent “line” result with the headlight if you used pasticard instead of greenstuff.
looking on it now I totally agree. I just didn’t have any plasticard to hand at the time.
Stay tuned for the next exciting episode of John Stirs.
It may be worth making a DIY vacuum chamber to clear up the resin for future projects.
https://makezine.com/2017/03/14/build-vacuum-chamber-30/
Watching latex and resin dry! A step up from paint then…!
J/k!
Really it was very useful. I’ve just got into Gaslands and am thinking about resin casting for some customisations, so this was actually very useful! I always find tutorials where the “teacher” is learning the process themselves (and therefore makes mistakes or things don’t go absolutely optimally) to be the best way to learn.
advice re-mold… please rtm silicone needs to be mixed in the right amounts usually by weight not volume for best results, a cheap and dirty home made vac chamber will help remove mold bubbles but apart from height of pour (as high as you dare without making a mess) your pour was spot on for the silicone the mold was way bigger than you needed (you could have done two side by side and if I were you I would have raised the flying base a little with maybe a ring of green stuff underneath to create a slight 1-2… Read more »
Thank you for the great advice. I am making a new mold after having smoothed off the form a bit better (hopefully) And i’ll be trying a new pour very soon 🙂
Sorry, I’ve been away for a bit, but, what’s this about Jon making power armour?
Come and see the forum topic here: http://www.beastsofwar.com/groups/painting/forum/topic/t-60-power-armour-cosplay-john-and-justins-journey/
I use a defoamer (helps bubbles escape) in my resin mixes. Helps when you don’t have a pressure chamber for casting.