$59.99 A3 Drawing Board Drafting Table Ruler Table Portable 51cm x 37cm x 0.9cm | eBay
Architect A3 Drafting Drawing Board Ruler Table Adjustable Angle Tool Set US 654936372245 | eBay
Mr. Pen - Architectural Scale Ruler, 12 Aluminum Architect Scale, Triangular Scale, Scale Ruler 
