VariableVariable costs grow as you produce and sell
Filament, resin, packaging, screws, finishing, the energy used by a print and sales fees are examples of amounts that usually vary with the product or order.
They need to be kept up to date on the product record so the suggested price keeps pace with real production.
Calculate the cost of a part→FixedFixed costs remain even in a month with few sales
Rent, internet, subscription tools, accounting and part of your planned maintenance can continue even when production slows down.
Not every expense fits directly into a single part. Tracking these amounts over the period helps you decide how much the business needs to bring in to sustain itself.
Watch outAvoid calling all the money you receive profit
Revenue shows the money coming in from sales. To know the result, subtract product costs and business expenses for the same period.
This separation stops you making purchasing or discount decisions based on a balance that still has to cover future costs.
Understand revenue per print hour→OrganisationRecord costs to compare periods reliably
Record money coming in and going out as it happens. Then compare similar months and see which products, channels and machines contribute most to the result.
A simple, consistent classification is more useful than a long list nobody manages to keep up to date.
Organise your 3D printing business→