Get FREE SHIPPING on US Orders Over $75
0 Cart
Added to Cart
    You have items in your cart
    You have 1 item in your cart
    Check Out Continue Shopping

    Blog — how to make a copy of a penis

    Blog Menu

    The Science of Sex: Sodium Alginate and 5 popular foods that contain it.

    by David Claus, Ph.D.

    Q: How is the Clone-A-Willy Kit able to create such perfectly detailed, true to size and shape molds (negatives) of penises?
    A: By using a specially buffered, top quality sodium alginate and water, of course!

    Sodium alginate is probably something you've never heard of, but you've almost certainly been exposed to it, and most likely you've already eaten pounds of it.  But what exactly is it?

    Alginate penis kit

    Sodium alginate is a hydrocolloid; a substance that forms a gel when mixed with water. More specifically, it's a natural polysaccharide that's extracted from the cell walls of brown seaweed... the same stuff you see floating out in the ocean. Its function is to give flexibility to the seaweed, but this property also makes it ideal for use in many other  products.

    Aside from making perfect impressions of teeth and other bodyparts, alginates are commonly used as thickeners and emulsifiers (stabilizers) in sauces, syrups, ice cream toppings, hamburgers, and other foods. There's a good chance one of your favorites is below!


    1. Ice Cream and Popsicles - Sodium alginate is used as a stabilizer in ice cream popsicle penis kitto ensure a creamy texture and prevent ice crystals from forming during freezing. In fruit flavored popsicles, it helps distribute fruit uniformly during the freezing process, and helps stop dripping while eating.
    2. hamburger penis kitHamburgers - Sodium alginate is often added to hamburger meat in order to increase volume, making it more filling and possibly even healthier. Adding a bit of sodium alginate increases soluble fiber content without changing taste, and soluble fiber is something sorely missing from many American diets.
    3. Dairy Products and Yogurt - Yup, alginate is even found in chocolate milk, eggnog, and yogurt. It's added to increase viscosity and make the mixture smoother.  It's also a clarifying agent and stabilizer.
    4. Sauces and Dressings - Water-oil emulsions such as mayonnaise and salad dressings thickened with sodium alginate are less likely to separate into their original oil and water. It also works great on sauces and gravy's to prevent separation while naturally extending their shelf life.
    5. Pudding and Pie Fillings - Puddings, pie fillings and mousses also utilize the gelpie penis kit-forming and non-melting properties of sodium alginate.

    Sodium alginate is a completely safe, easy to use gelling agent that requires no heat or harsh chemicals to bring out its beneficial properties, making it ideal for all kinds of uses.  But using it to make a clone of your willy is arguably the most fun!

    Clone-A-Willy In Neighbors Starring Zac Efron, Seth Rogen, Rose Byrne


    The original Clone-A-Willy kit has a part in the new Universal Pictures film, NEIGHBORS.  Zac Efron and his frat-buddies use Clone A Willy to make and sell copies of their penises!  

    The Science of Sex: Is 3D Penis Printing a reality?

    by David Claus, Ph.D.

    Though quite cool and no doubt the wave of the future, most of what you've heard about 3D printing has been a bit over-hyped (click HERE for an interesting narrative by a man who does it for a living).  3D printing, particularly the 3D printing of a man's penis, isn't quite as easy or straightforward as the media might have you think.  In reality, it requires an impressive camera - one that can scan in three dimensions and is capable of creating a virtual model of any object, or sophisticated CAD/CAM software with a compatible camera and the know-how to use it.  You'll also need a very EXPENSIVE 3D printer. The current, affordable consumer grade printers simply won’t cut it, as the build volume (or printable output size) is typically too small to print anything other than a very small object (perhaps a micro-penis).

    Unless you have all of the above, you'll need to utilize a service that has the appropriate equipment and can take care of everything for you (contact  Note that doing it this way will require traveling to a location away from home and allowing a technician take images of your erection, which is a bit inconvenient and could be a little uncomfortable. Sitting in a room and keeping an erection while a stranger takes a video or series of pictures of you isn't for everyone.  The benefit to this method, though, is that you won't have to do anything else.  Everything is taken care of from that point on. The cost is approximately $250.00, and like the Clone-A-Willy Kit, it'll take just a day to see your result.  Your result will be a plastic copy of your manhood, basically true to size and shape, though not as detailed as you might like.  If you're looking for a usable dildo, the object created from the 3D printer isn't going to be strong enough or even body-safe. For that, your 3D printed penis will need to be sent away to have a mold created from it.  That mold will then be filled with silicone (or some other body-safe material), left to cure, and sent back to you.  At that point, your finished, USABLE copy will be complete. The result is pretty good, but not as intricate as what you’d get from a direct mold and cast process. A 3D copy will contain layer lines (in 3D printing, each thin layer is printed one at a time, creating 'lines' in your finished piece), which will prevent much of the detail from coming through. Using a camera to catch every small line and vein is just not as precise as forming a mold directly from the actual body part, either.  And the details are really what make copying your own (or your favorite) penis so cool.  A copy that's the same size and shape as you, but doesn't have all the little quirks that make you unique, is just not as interesting or fun.

    We'll continue working hard to improve and perfect the 3D penis printing process, but for now our recommendation is still to go with the original Clone-A-Willy Kit. It's quick, anonymous (do everything yourself from home), and the end result is far more precise.