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Your cart is empty.Free Form is an extremely lightweight epoxy putty suitable for an infinite variety of industrial and art-related applications. This is a low-odor, low shrinkage putty that is unique, inexpensive and easy to use. It offers a long working time and cures overnight at room temperature to a hard, rigid epoxy that is very strong with modeling board-like properties. Cured Free Form is so lightweight, it will float in water. It can be sanded, shaped, drilled, tapped and CNC machined/routered. It will readily accept any paint.Free Form can also be color pigmented with SO-Strong or Ignite colorants.
Alicia J. Reed
2025-08-31 10:51:55
I like that it is so light weight and easy to mix
Holly
2025-08-28 18:37:31
Exactly as described, drys really hard , easy to work with while pliable .
The Niv
2025-06-27 12:37:24
I love dis stuff! Great for making sturdy, lightweight outer molds. It gets a little tacky when properly mixed, but this stuff is sooooo lovable to work with.I make master props and crunchy outer molds with this stuff. Sculpting is easier when you hafta sand it down.
Lawrence Steele
2025-06-11 11:50:21
Wow, this is so hard to decide how good or bad it is compared to milliput. I started making casts of objects recently and it's been amazing! The working time is perfect length, it cures quickly, it doesn't leave much residue on bare hands. This stuff though, it will cake your hands with a 1 mm sheet of residue, be prepared to go through lots of gloves!It has the consistency of marshmallow fluff. After thoroughly mixing it, i find it best to separate into smaller clumps & let it sit for 30 minutes. You have plenty of working time with this, it's going to keep its gooey consistency well past what would be the rubber-like texture of milliput. It will tear too easily. It spreads to fill gaps very easily, but if you brush against it while spreading more, it can pull out of those gaps.It has a very long curing time. I picked up a 14" long horn after 4 hours and it was still soft, even though i used a layer of less than 10 mm. I had coated a EVA foam shaped horn with this stuff and i was able to leave fingerprints all over it. It took about 6 hours to really cure although i left it overnight before i started sanding.For the amount you get, this will last a long while! One of the pet peeves i have with milliput is that i get so little for the price. Also this stuff is super light! Milliput seems quite dense and gives a good weight to objects but Free Form Air is almost not there. It seems as hard as milliput once cured, but this will not weigh down costume parts or knock them askew under it's own weight, as i suspect milliput would. Lastly, I wish it came with measuring scoops. I'd recommend getting 2 sets of measuring scoops. You need 1 set for Part A and another for B so you don't accidentally introduce the hardener into the dough.PROS:Extremely light weightHardness equal to milliputMuch more cost effective than milliputVery long work times if you need thatVery large amount in containersCONS:Extremely stickyPulls out of gaps easilyExtremely long cure times if your making moldsLots of residue, use gloves!Measuring can be a pain
TheWhiteRaven
2025-05-19 15:34:03
I am pretty crafty and make all kinds of props, statues, models, toys and who knows what else. I have used many different products including three kinds of epoxy clay. This one is by far my favorite it is super soft and a bit sticky which can work in your favor, and very light weight which is good for larger projects or delicate ones. I like to let it sit for a few minutes (no more then five) before working with it I feel this helps with the workability. Water is also your friend it smooths out really well. I have used this from small doll props to a massive pumpkin head for a costume and I only got the trial size it's lasted for about six projects (the one in the photo took less then half of each part). Would highly recommend!!!
Jerald L. Perschall Jr
2025-04-30 10:36:34
Wonderful clay! It is light weight, slow curing and low odor. Easier to sand than Apoxie sculpt. Just use latex gloves when mixing. I have already bought it again, lol. Highly recommended.
Caola
2025-04-22 15:51:21
I just want to take a moment to write a small love letter to Smooth-On for providing me with such a magical product. I am working on my very first cosplay and I decided to splurge on Free Form AIR... oh my gosh. I have been spoiled and I never want to touch any other material ever again. It is incredibly lightweight, very easy to mold and shape (as long as you keep your fingers dipped in water) and just a dream to work with. I can't say enough great things about it. THANK YOU FOR MAKING THIS. Seriously. I wish I could just play with that stuff all day every day.
renata e dymek
2025-03-31 10:35:47
Went through two trial kits of this stuff trying to get it to make an outer shell for a silicone mold of a sculpture. Ultimately it ended up not even holding the mold seams together, making so much resin leak out they’ve that I ended up having to break the mold open with a hammer . You get what you pay for I guess, Apoxie Sculpt is a little pricier but it’s a never given me as much stress as this stuff. and since there’s less air in it, it lasts longer while still being lightweight. I think this would only be good for very imprecise large objects, like maybe as a base for a sculpture or something since it can’t hold a precise seam together very well.
Anna
2025-03-09 15:04:52
Easy to work and perfect quality. Been using it for few months before writing a review- it didn’t dry and stayed same as the day I got it!!!
Michael
2025-03-08 20:10:36
This stuff is fantastic! It ticks all the boxes: easy to use, light, strong and cured well. Less fuss than fiberglass and epoxy layering but strong enough for my purposes.
Dianna R.
2025-01-21 10:15:49
Perfect for my project
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