dowel stand 3d model

Design a 3D, print-ready rack for two soft running flasks. Rectangular base: 200x100 mm, overall height 230 mm. Floor: 3 mm thick, perimeter wall 6 mm high. Base has a grid floor with 10x10 mm square holes, 5 mm ribs, 10 mm solid border inside wall. Four 8 mm diameter feet pads, 2 mm tall. Two vertical rods, 20 mm diameter, 220 mm tall, spaced 60 mm center-to-center, positioned 60 mm from rear wall; rods have 4 mm fillet at base, 1 mm chamfer on top. Provide 15 mm clearance front/rear, 10 mm between flasks. Optional: three 18 mm diameter, 25 mm tall cap posts, 25 mm apart, 3 mm drain holes. Monolithic, FDM print, no supports, +0.5 mm tolerance, base flat on build plate. full black color