The Design Process
Design Process Guide
Design Process v1.22.docx
Material Selection and Costing Task
Material selection costing sheets.docx
Design and Technology Material Costs
tech costing.xls
Costing and Cutting Spreadsheet

This spreadsheets allows components and their linear or squared metre costs to be entered. The formulas in the sheet will add the cost of your product and provide a total cost. 

Cutting and Costing Spreadsheet blank.xlsx