Downtown Los Angeles · Est. HMS MFG

Precision casting
for designers who
build in 3D.

HMS MFG is a custom jewelry manufacturer based in Downtown Los Angeles. We take 3D-designed pieces from STL file to finished metal — using the same lost-wax casting process as fine jewelry houses, at production speed.

How it works
01
Upload your STL

Drop your 3D file directly on the platform. We parse geometry, verify watertightness, and calculate cast weight automatically.

02
Get a live quote

Pricing is calculated from real-time gold and silver spot rates. No email threads, no waiting — you see your number instantly.

03
We cast it in DTLA

Wax print, invest, cast, finish. Your piece is made in our Downtown Los Angeles facility and shipped direct to you.

10 metals · spot-linked pricing
Sterling Silver
10k Yellow Gold
14k Yellow Gold
18k Yellow Gold
10k White Gold
14k White Gold
18k White Gold
10k Rose Gold
14k Rose Gold
18k Rose Gold

Gold pricing updates automatically from live XAU spot rates. Silver is fixed at our current caster rate. You see the real number — no inflated estimates, no surprises at invoice.

Our library offers a growing collection of ready-to-cast designs — rings, pendants, bangles, and chain sets — that you can order directly without uploading anything. Each file has been verified for printability and castability before it goes live.

For volume orders, custom alloys, or anything complex, reach us at info@hmsmanufacturing.com.

Browse the libraryUpload your file