echnical engineering sketch, minimalist line drawing style, orthographic views (top, front, side). Subject: Laboratory sample holder for Schlenk flasks (50ml, 100ml, 250ml sizes) designed to sit on an analytical balance pan. Key specifications: - Base contact area: 70mm x 70mm (fits on balance pan) - Overall maximum dimensions: 120mm x 120mm - Angled cradle design holding the Schlenk flask at approximately 30-45 degree tilt - Large flask opening oriented sideways/upward for easy sample weighing access - Integrated support for the side-arm valve to maintain balance and stability - Multiple sized notches or adjustable supports for different flask volumes - Flask must sit securely without rocking Style: Clean technical illustration, blueprint aesthetic, white background, thin black lines, dimension annotations, engineering drawing conventions, no shading, no colors, patent drawing style. Views needed: isometric view, front elevation, top view with dimensions marked. See more