BOULDER METALSMITHING ASSOCIATION
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Sinking a Copper Bowl 
with Chapin Dimond

Jennifer Knollenberg
Date:  Sunday, January 21. 2018

Time:  9:00 am to 4:00 pm

Cost:  $125 BoMA members 
           $145 for non-members
​Non-member difference will be collected in class

Materials fee: $30

Location:  Boulder Metalsmithing Association
                  4919 Broadway St, Unit 15
                  Boulder, CO 80304
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CLASS DESCRIPTION
Metalsmithing techniques have changed little since man discovered fire. To make a copper bowl, metalsmiths begin by using a sinking hammer to form the copper, use a torch to anneal the metal and then use a planishing hammer to pound out tool marks. Torches now offer more heat control than did early torches. Hammers are more specialized. However, when you make a copper bowl, you still follow a tradition that dates back to early man.

Students will learn the basic skills to make a bowl using the sinking process and each student leave class with a finished copper bowl.

​ABOUT THE INSTRUCTOR
Chapin Dimond is a full-time metalsmith and jeweler. He has a BFA from Metropolitan State University of Denver. Chapin is a Colorado native. In 2003 he began learning metalsmithing. His work is inspired by nature and the beauty of metals. To see Chapin’s work, visit his website, www.cdimond.com.

Prerequisites
Students should know how to use a torch and helpful if comfortable with using hammers, files/ belt sander, flexshaft, and jeweler’s saw/metal shear.

Tools students need to bring
  • ear muffs/ ear protection 
  • safety glasses 
  • Sharpie marker 
  • dividers/ compass 
  • roller 
  • metal files
  • jeweler’s saw, saw blades 
  • sandpaper
  • leather gloves 
  • silver hard solder and flux (just in case there is cracking- may not use)

Materials Kit* $30​
  • Copper
  • Scotch bright pad
  • Patina  
  • Wood stump with dip (for an additional fee of $45 if wanted to keep)
*Materials kit purchase is required for all BoMA workshops. The kit insures all students have the same tools and materials require to learn the technique and allows the instructor and the students to focus on the technique rather than the materials.

MAXIMUM NUMBER OF STUDENTS: 6. Students will be required to sign a waiver. Participants must be 18 or older.

CANCELLATION POLICY
  • You may cancel up to 10 business days prior to the start of the class and receive a full refund, less $25 processing.
  • Cancellations 5-10 business days prior to the start of the class are eligible for a 50% refund.
  • Cancellations occurring less than 5 business days prior to the start date will not be refunded,
  • In the event we have to cancel a class, you will be notified prior to the start date and will be issued a full refund.
  • Seats are not transferrable. You may not sell your seat to another student.

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4919 Broadway, Units 14 & 15, Boulder, CO 80304 • 303.630.9263  • info@bouldermetalsmiths.com
​​@2022 Boulder Metalsmithing Association. All rights reserved. 

Boulder Metalsmithing Association is a 501(c)(3) Colorado non-profit.
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  • Upcoming Classes
    • January Classes
    • February Classes
    • March classes
    • April Classes
  • Demos
    • Open studio
  • Join
  • Subscribe
  • Gift Cards
  • Visiting Students
  • Members' Work
  • Our Sponsors
  • BoMA in the Community
    • Donate >
      • King Soopers Rewards
  • Our Partners
  • For Sale by Owner
    • Submit an Item for Sale
  • Job Opportunities
  • R Gallery Guest Artist
  • Tool & Gem Sale
  • About Us
  • Contact Us
  • 2023 Design Competition
    • 2023 Art Call