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Lost Wax Casting Technique

So I started taking silversmithing classes again, this time in San Diego (as opposed to Bali) and had to re-learn quite a number of things. I had adjusted to the Balinese way of making jewelry, which was quite a difficult transition, and now I was coming back to more modern ways of doing things. It felt like I was a new student, trying to grasp everything all at once again.

I found this quaint place in Hillcrest, where students are free to roam in and out of class like a gym, and take as many hours of free shop time as they please. This fit my schedule so well (although it would have been nice if it had midnight or 1am classes for night owls like me).

In the past, I’ve learned how to wield, shape, heat metal to its desired form. But I had yet to create a mold and basically work backwards, to create the intended shape and style of a ring before even touching the metal. So of course, in true Christine fashion, I wanted to learn the most difficult technique which would take up my entire class time just to achieve: waxing, investing, burnout, depositing molten metal into the flask via centrifuge and refining the investment before setting stones. Yikes.

As instructed by my teacher, I began to brainstorm some ideas for rings to carve. This one had to be out of this world, and definitely more difficult than anything I’ve done previously. I decided to create a large ring consisting of waves, with smooth rims and stones flowing through the center on two large crests either through a channel set or bead set. True to my style, it was going to be magnificent, simple, elegant – at least that’s what I had conjured up in my head (see below).




I had chosen a variety of sizes, a range of colors, and a spread of stones for the waves. Aquamarines in at the height of the wave, and sapphires to finish the edges off.

I thought I was ready to go. I showed the above picture to my instructor and he laughed. He told me that the next part was going to be hard for me. I had to recreate what I envisioned in my head directly onto paper. As many of you may know, I’m all cerebral when it comes to doing things. If I get a random vision at 3am, I’ll have to pull myself out of bed to make the literal piece, not write it down. Seemed like such a waste of time to jot something down when you already have the perfect picture in your head. So you can imagine my mortification when I was instructed to create a sketch, true to size, shape, measurements, EVERYTHING, so that my instructor could see what the heck was going on in my brain.




And yes, that’s the outline of my hand. Remember when you had to draw hand chickens in kindergarten? Yup. Traced my fingers for this sketch in the same way. Felt really silly at first, like I was being tested. Not bad, right? Well then I had to take this and basically recreate it with a piece of wax. Literally, a chunk of wax. And how did I do it? Very slowly and carefully. With random etching, carving, shaping, wittling, sanding and, sawing tools to be used at my disposal.

I didn’t fully appreciate the amount of precise work that needed to be invested into this little piece of wax, until after the fact. Basically, the wax had to be the best version of the ring I could make. Any slight scratch, dent, you name it, would appear in the metal once I casted the ring. Pretty amazing. And annoying. The hardest part was staying true to my design. Sometimes when I make wireworked jewelry, I go off on a tangent from my original thought and create wondrous pieces. Because wax mold carving needs a preset model, I was forced to keep the thickness of the ring at 1.3mm, and the rims at 3.0mm, and the waves in all the measurements of the stones I had planned for already. Pretty hard to do when you are still learning how to work with wax. I ended up breaking my ring in half in week 6 and almost died. Fortunately, wax melts, and you can repair any damage you inflict on the poor mold.

So after all the whittling, I finally was ready to set my mold. We needed to create a way for the wax to flow out of the mold so we connected some little legs of wax to the ring for it to create a convenient outlet for when we bake the mold and the wax melts out of the flask.




We used a lost-wax casting technique, where the wax model is melted away to create a hollow area in the middle of the mold. At one point, I felt like I was baking a pie – we went into the back room and created the mold formula with a flour sifter and mixed it up before pouring the contents into the flask where the wax carving sat. This was then baked in a kiln to melt away the wax to make room for the metal.




The next week, I cut pieces of silver from coins and other fine silver scraps to create my sterling silver content (92.5% of fine silver, the rest an alloy mix). I poured these bits and pieces into the chamber of the centrifuge marked “silver” in the photo below. The other end was going to be loaded up with my new hollow mold, ready to catch whatever was going to be spun out of the silver compartment.




Then I heated the metal up to its melting point – the metal looked like the T1000 in Terminator 2 (sorry, it was what I kept thinking about when melting the silver and alloy). It’s ok, I totally looked like Marvin the Martian in my flame resistant helmet.




Once the metal alloy heated to 961.78C (probably hotter, since I had to make sure the fine silver and alloy mixed properly, so let’s say 1000 degrees Celsius, the spring on the centrifuge was released. The liquid metal shot into the empty portions of the flask and filled it perfectly to make my ring through the centrifugal force of the spinning.




I seriously had to wait about 5 minutes for the flask to cool down enough to gently place it (with a large pair of heat proof tongs) into the cold bath water (it still sputtered like a sunken ship). Then, I slowly dug out my little trophy of silver with a spatula and wooden stick.




After sawing off the legs with a jewelers saw, I started the laborious part: smoothing out the kinks. I realized that every single flaw I overlooked while making the wax where found right where I left them. In the heated pursuit of getting to the end, I forgot to put on a new set of eyes during the refining process while carving the wax model, ones that would examine every nick and scratch. It’s much harder to erase these flaws from the metal than from wax, so lesson learned! I spent some laborious hours sanding away the fine scratches I carelessly left on the ring in wax form.

Then, it was off to being polished. I used some industrial sized sanding machines laced with Trippoli, which buffed my ring to a mirror-like shine.

The stones were the last step. I have gone over and over in my head whether this is an area I wanted to learn on my own, and I always fluctuated back and forth. I decided for the sake of my time, sanity, and business, that I would find the best stone setter to work alongside to ensure that my clients were getting the best, not just the “now” from me. It’s probably going to take me years to perfect this technique, and I’d rather offer this part of the design element to my clients as early as I can.

A bead setting of the aquamarines and sapphires complemented the wild waves in the ring perfectly, almost looking like sand. Voila!


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I knew that it was worth my class time to figure this piece out. And I’m glad that I did it. Hope you enjoy it! More designs to come.




Gemstone Wood Jewelry Line!

So excited to introduce this shared venture with Keeper Goods and Chris Ching Jewelry. It is quite amazing what you can be inspired to make with the help of another creative mind. You can order these amazingly cute pieces through Keeper Goods. Read on to see what motivated us to take on this project!
As a child, I used to watch my father create these amazing cigar boxes out of beautifully patterned wood. The variations and colors that shined through the finished product were so unique and mesmerizing. My interest in gemstones and minerals also started around the same time, and I would spend hours in the backyard, hoping to unearth some gorgeous gemstone from the ground.
Years later, after starting my own jewelry business, designing and curating beautiful stones to make hand-crafted jewelry, a friend asked me if I could design something special out of wood for his wife as an anniversary present. I knew the right person who could help me make this special piece: Phyllis of Keeper Goods. She launched an innovative brand that specializes in providing beautifully designed products via laser cutting and engraving that store your most precious items in the most fashionable way. Together, we created a memorable custom piece for my friend. And it didn’t stop there. So inspired, we brainstormed and created a full line of jewelry. Real wood, real gemstones, Keeper Goods fabricated designs, Chris Ching crafted jewelry.
Mix Bolivian rosewood and real gemstones together, add a little design flair, and you get our chic, adorable wooden jewelry line – easy to wear everyday, goes with just about everything! Happy Shopping!
A little bit about the materials used:
Gold filled hardware: All of the chain, wire and components are gold filled, which means that it contains a permanent bond with the base metal, which allows the material to last up to 30 years even with every day wear. To be considered gold-filled, quantity of gold must be at least 1/20th by weight of the total product and at least 10k in gold (ours is more!).
Genuine gemstones: Diamonds, emeralds, sapphires & rubies! All of the stones are natural, real, and beautiful. Chris takes great care in choosing stones that are beautifully cut, but minimally altered from their natural state.
Bolivian Rosewood: We love the strength, weight and coloring of this exotic wood.  The natural texture & grain lines give a feeling of warmth and the laser cutting adds a modern edge to the pieces. The wood is laser cut, engraved, and each piece is then sanded and polished.

Hand-crafted in San Diego & Seattle!


Champagne Jewelry Parties – Fall/Winter 2013 Dates



I’ve finally gotten enough traction this year to start offering private jewelry parties! Think of it as hosting Tupperware parties but with much shinier, wearable items (=fun). If you are interested in hosting one, let me know ( what date and location work for you. I can’t promise that I’ll be able to travel overseas for you folks outside the US, but if you throw a big enough party, I might just make my way over!

Basically, my jewelry parties are a way for you to tap into my entire inventory of jewelry at promotional pricing. Pretty exciting, right? The even more exciting part of the process is actually having a say in what my future lines look like. It’s a great way for me to learn about the market and get all creative after people share their wonderful ideas with me! And as always, custom requests can be ordered here as well. Oh, and there’s champagne and a door prize too!

Let me know if you are interested in hosting one – you can invite anyone you want, it’s your party (gentleman, children, babies, pets, everyone!). I’ve made a list of dates that have already been reserved so you can plan accordingly. As the dates fill up, I’ll update them here.  And once you settle in on a date, just invite friends and family over, and we take care of the rest! Let me know if you have any questions! xoxo, Chris

Reserved Dates

September 2013: Sat 07, Sun 08, Sat 21, Sat 28

October 2013: Sat 05

November 2013: Sun 17, Sun 24, Sat 30

December 2013: Sun 01



Custom Wood Jewelry Project

Ok, so it’s been a while (more like never) since I’ve blogged. I’m finally catching my breath long enough to share some fun with you. Let’s start with a custom wood piece made this summer. Oh, and I promise my other posts won’t be so long-winded!

I’ve always worked with real stones, which are materials that have been shaped, sized, colored, weathered by nature. It’s very rare for me to venture outside these pre-set boundaries and create something where I’m in full control of the size, shape, pattern, color of the material. That’s why I jumped at the opportunity to do this project when a friend asked if I could design a special piece for his wife for their fifth wedding anniversary. The traditional gift of choice for five years is wood, something completely out of my element.

My friend described what he was looking for: elegant but simple, with a Japanese theme. That same month, my friend Phyllis, of Keeper Goods, posted her laser-etched fox tote line she had designed in addition to the cute boot keepers she makes through her company ( I put two and two together, and voila! The wood custom project was born!

I jetted up to Seattle to explore a whole new world of laser cutting and etching. Seattle has such a creative vibe, filled with artists, small businesses, and big ideas. Very refreshing and inspiring.

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We visited a local lumberyard and bought a variety of exotic wood, including Bolivian Rosewood and Purpleheart, to test out.

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The amount of time spent perfecting both the etching and cutting was pretty astounding. There are so many different wood types, and each behaves differently while under the laser. After Phyllis mastered all the settings, off we went! We took beautiful lace patterns, Japanese lotus flower designs, and cherry blossoms to etch, then applied my logo, along with teardrops and other shapes to cut out the pieces from the pattern.


The main pendant on the necklace was created using a beautiful, simple crane etched into a diamond shaped piece of wood, along with a personal message on the back of the pendant, signed by the client.

Such a productive week! The best part was that we decided to do a jewelry line together with our new found ideas and creations!

After the wood pieces were finished, polished, and waxed in Seattle, the pieces were transported down to San Francisco to my metalsmithing shop to finish up with some delicate bail/bezeling of the main pendant. The other pieces cut out from the lace and lotus patterns were then wire worked into the necklace, which was made in San Diego.


The final product turned out amazing. Truly a custom work of art – created in Seattle, San Francisco, and San Diego by two small businesses and lots of brainstorming. Wait for updates on the blog on how Keeper Goods and Chris Ching Jewelry are creating a wood jewelry line, inspired by this very piece!





Hello Everyone!

Hello – first post will be short! Let’s start with some inspirational pictures from Bali! More details of my trip to come in later posts.

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So happy to share my work with you all. It’s been a long, winding road to get here today, but I’m pretty sure that I wouldn’t have had it any other way. There’s a huge story behind this, but I just want to leave you with one thing today: it feels more than incredible to be where I am at right now.  With a little help from a trip to Bali, some hardcore detoxing, and the undying support from the most generous group of friends and family, I’m finally where I’m supposed to be. Please keep updated through my blog and posts on Facebook because I’m seriously just getting started. I’m going to make it a point to rock your world every time you see my work. Hope you enjoy seeing a bit of creativity in your day through me.

Thanks so much for loving this as much as I do!


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