Monthly Assisted Casting

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Bring your finished wax model(s) to the studio for casting. Our casting expert will help students sprue and invest their models in casting flasks, run burnout and vacuum cast. (Wax carving is not part of this class.)

This class is comprised of two sessions
• First session in the evening to sprue and invest the finished wax models. Flasks are then burned out overnight.
• Second session the next morning to pour metal, vacuum cast hot flasks and remove the casting from the investment.

The first session for this class starts at 6 pm on Friday, December 20 and the second session is at 9 am on Saturday, December 21.

The number of models each student can place in a flask varies depending on the size of the model and the size of the flask. Available flask sizes: 2”, 2-1/2”, 3” & 4”. If you want to cast multiple flasks, you must send an email to [masked]. Minimum number of flasks for a class to run is 4.

$85 PER FLASK for BoMA members (join here:, or
$135 for non-members (non-member difference will be collected in class)
plus materials fee

Materials fee $5.00
• Investment
• Sprue wax

Students Must Supply
• Their own finished wax model.
• Their own crucible if using gold (to prevent contamination)
• Casting grain sufficient to cast the model. Formula for sterling silver (in dwt) is: (weight of model x 11dwt) + 15dwt (for sprue)

What's Offered
• Expert casting assistance
• Use of equipment and fuel for melting metal.
• Use of flasks for investing and casting.
• Overnight burnout
• Vacuum casting

What Isn't Offered
• Rubber mold making
• Wax injecting
• Commercial or multiples casting
• Organic material casting
• Base metal casting (copper, brass, bronze or any pot metal)

Other Important Information
• BoMA is not responsible for any casting failures and willl not offer repeats or do-overs.
• Students should plan additional time, outside of the schedule for this event, to finish, clean and polish their cast pieces.
• Students should plan to help clean up at the end of each session.
• One student per flask. Students may not share a flask.

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

You may cancel up to 14 days prior to the start of the class and receive a full refund, less $25 processing.
Cancellations occurring less than 14 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.
By clicking on the “I’m going” button and paying the registration fee, you are agreeing to this cancellation policy.

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