TinkerMill Shop: Metalcraft, Jewelry, & Lapidary

Make jewelry and other metalcraft projects with the use of a variety of tools. Lapidary is stone cutting, shaping and polishing. This shop is located in our main space.

See upcoming classes at the bottom of this page.

Notable Equipment

Metalcraft Area:
  • Vacuum casting table
  • Neycraft burnout kiln
  • Rio enameling kiln
  • Foredom flex shaft + three other non-brand
  • Buffing machine
  • Bench sander
  • Arbe Wax injector
  • a plethora of hand tools-including stone setting, forming and polishing
  • Acetylene-air and Oxy-Acetylene torches
  • 3-in-1 Shear
  • Small Pepe Rolling Mill
Lapidary Area:
  • Lap wheel
  • 10” trim saw
  • 5” trim saw
  • Ring saw
  • Cab King Arbor with 6 wheels for forming and polishing stones
  • wax pot
  • UV viewing box
  • Core drilling bits

Crystal Hinds

Crystal Hinds is an Educator in the St. Vrain Valley Schools District, and an Artist. Her interests in TinkerMill include many of the shops, but are focused in Metalcraft and Lapidary. She is inspired by the community of makers within TinkerMill.

Contact Info: crystal.hinds@tinkermill.org, and active on slack

Marc Krulewitch

Contact Info: marc.krulewitch@tinkermill.org, and on slack

A training class is required before accessing any equipment independently in this shop. 

  1. Metals 100-101: Safety and Hand Tools Class, this will grant you access to shop and be able to use all the hand tools. 
  2. Metals 102: Power Tools Class, this will grant you access to the four main powered tools within the shop. 
  3. Metals 200-201: Single-Fuel Torch Class, completion of this class and three supervised uses of torches will grant you independent access. 
These classes are available regularly on our Calendar (see bottom of this page), with more detailed descriptions there. If you need extra assistance, please contact Shop Captain Crystal.
  1. Lapidary 105-106: A two part class that grants access to stone working areas. Certification classes can be scheduled on an individual basis with Jon Kell. Please contact jonathan.kell@tinkermill.org

In addition to being a member, there is cost associated with shop use. These are suggested donation prices that can be paid onsite. 

Time Use:
  • Day – $10
  • Month – $50
  • Year – $400

There are a variety of additional classes to continue your education here at TinkerMill. 

  • Advanced Enamels
  • Electrolytic and Chemical etching
  • Lost Wax casting
  • Fold Forming
  • Raising
  • Chase and Repousse
  • Mold-Making for lost wax casting
  • stone setting sets
  • stone setting-bezel setting
  • Stone setting – Prongs 


Check calendar or reach out to shop captain for more info.

Slack Channels – #metalcraft  #lapidary

Non-members can take any class, but will not have access to equipment independently.

Open Studio Hours – unique to this shop, Crystal offers open studio hours first and second Saturdays of the month, you can rsvp on our MeetUp Calendar. Open Studio is an opportunity to come in without prior training and under supervision use the shop’s amenities or to learn about shop. Open studio is available to members and non-members.

Upcoming Classes -