You need a table saw that has a fine tooth blade ; Plexiglass 1/4" thick and the special glue.

I make large batches so you can adjust the size to the batches you normally make.

I cut 5 pieces of plexiglass:
1 piece 12" x 24"
2 pcs 2" x 24"
2 pcs 2" x 12-1/2 inches

You will need a special glue that can be purchased at plexi glass shops. In Houston, it is A-1 Plastics. The one I used is thick like white corn syrup. Mfgr. PS Corporation Weld-On #16 Clear, thickened cement for acrylic sheet It is 5 fl. oz and cost $9.

This will do about 5 or six big molds like I did. This mold 3/4 full holds 13.5 lbs!!! If you fill it 1" high it will hold 9 lbs. I just adjust my recipes accordingly using MMS to recaluculate.

Anyway, Put a piece of sheet plastic (like a drop-cloth) down on a smooth surface - not carpet or it will be hard to make sure it is level.

The four 2" pieces will go on the outside edge of, NOT the top of the 12 x 24 piece.

Lay the 12 x 24 piece flat on the plastic.

Lay one of the 2 x 24 inch pieces down flat in front of you and run a bead of the glue on the flat surface along the bottom (not the cut edge) - pick it up and stick it to the cut edge on the side of the big piece - make sure ends are perfectly matched. Hold it a few seconds -

This glue sets fast like PVC glue.

Repeat with other 2 x 24 piece and stick to the other side. Hold for a few seconds.

Take one of the e remaining short pieces and lay down flat in front of you. Run a bead of glue on the surface, not the cut edge along the bottom AND two sides like this: I__________________I

Place it along one end making sure that you match corners perfectly. Hold again for a few seconds.

Repeat for fourth piece.

As you put on each piece, look at the whole thing from the top and make sure the corners are perpendicular and perfectly matched.

DO NOT be generous with the glue of it will glob up on the inside of the mold and this will reflect on your soap's edge.

After 30 minutes, pry it off the plastic and turn it upside down. Run a thin bead along the four seams. When this is dry, stand it on one end and repeat for the two short 2" seams. When dry, repeat for other end.

After 30 minutes, take it to the sink and run water in it to test for leakage. It is clear, so you can see the water dripping if you have a leak. If you do, you will have to dry it completely, remember where the leak was and touch it up with the glue. Do not try to apply this glue to if plastic is wet. This is ready to use in 12 hours.

I made a batch of CP with it yesterday and it is really great. I cut a piece of freezer paper the size of the inside-bottom and dumped the soap on it. When it was still a bit soft, I ran a spatula around the edges to loosen them. When it was firm, I just turned the whole thing over and VOILA! out came the huge piece of soap. I waited till the soap was cool to the touch before I peeled off the freezer paper because I tried earlier (I am always anxious) and some of the soap stuck to it. I have it marked in the middle on the long sides because my cutter is only 18 inches wide so I cut it in 2 12 x 12 pieces.

You can make these any size you wish. Just make the two ends 1/2 inch longer than the sides which compensates for the 1/4 " plexiglass they will cover on each side.

I don't know if greasing it would work, and maybe freezing would but I don't have that much room in my freezer for that big mold.

I LOVE THIS MOLD. I am thinking of cutting one more piece of 2 x 12" and use it after I pour the soap to divide it in half.

I am going to make a couple more maybe this week, so if this is not clear, let me know and I will take some pics and put them up.

Let me know if you make one and like it. Don't tell me if you don't. Kidding LOL.

Enjoy.





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