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DCC Bridge
Anonymous1773184216
03-10 23:18
Model Name
stormwater catchpit 3d model
Tags
machine
rendering
realistic
Prompt
A highly detailed, professional 3D engineering render of a rectangular stormwater catchpit insert. The outer shell is a rectangular bucket, wider at the top and tapering slightly towards a flat bottom. It has a prominent flat rim (flange) around the top edge. Inside the bucket is a central helical baffle, resembling a thick spiral water slide, designed to force water to swirl in a vortex. The spiral connects to the inner walls of the rectangular bucket. At the exact center of the flat bottom floor, there is a single circular drain hole. The material is matte grey, textured recycled 3D-printed plastic. On one corner of the top rim, there is a small rectangular mounting bracket holding a small electronic sensor. Clean industrial design, architectural lighting, white background, precise geometry. Step 1: The Master Hull (The Drop-in Box) Create Sketch: Select the Top (XY) plane. Center Rectangle: Draw a rectangle snapping to the origin. Dimension it 670mm (Width) x 460mm (Height). Fillet: Use the Fillet tool on the 4 corners. Set the radius to R15 (15mm). Finish sketch. Extrude: Select the rectangle. Extrude downwards (Negative Z) by -350mm. Draft Angle: While still in the Extrude menu, set the Taper Angle to -3 degrees. (The bottom should be smaller than the top). Shell: Select the top flat face of your new solid body. Use the Shell command and set the inside thickness to 10mm. Result: You now have a hollow, tapered rectangular bucket. Step 2: The Top Flange (The Hanging Lip) Create Sketch: Select the very top edge/face of your bucket walls. Offset: Use the Offset tool on the outer edge. Offset it outward by 25mm. Finish Sketch. Extrude: Extrude this new 25mm rim downwards by 10mm. Ensure the operation is set to "Join". Result: Your bucket now has a lip so it doesn't fall through the street grate. Step 3: The Orifice & Silt Trap (The Flow Control) Create Sketch: Look inside your bucket and select the inside bottom floor. Center Circle: Draw a circle exactly in the center. Dimension it to 50mm diameter. Extrude Cut: Extrude this circle downwards through the bottom floor to create your main drain hole. Define the Silt Trap: You don't need to model anything new here, just remember that the bottom 50mm of elevation inside this bucket is mathematically reserved as your "Silt Trap" dead-zone. Step 4: The Vortex Baffle (The Hard Part) Because water naturally wants to fall straight down, we have to build walls to force it into a spiral. Central Core: Sketch on the inside bottom floor. Draw a circle 150mm in diameter in the center. Extrude it upwards by 250mm. (This is the central pillar the water will spin around). The Helix Path: Go to Create > Coil (in Fusion 360) or Helix/Spiral (in SolidWorks). Coil Settings: * Base face: Inside bottom floor. Center point: Origin (center of the drain). Diameter: 340mm (so it stays inside the walls). Type: Height and Pitch. Height: 200mm (Starts 50mm above the floor, ends 100mm from the top). Pitch: 100mm (This will give you 2 full spiral rotations). Section size/Profile: Make it a flat rectangular shelf, 50mm wide and 10mm thick. The Guide Walls: The spiral will leave empty gaps in the corners of your rectangular bucket (water will cheat and fall down the corners). Sketch flat vertical plates in those 4 corners that connect the square outer wall to the circular boundary of your spiral. Extrude them from the floor up to the top of the helix. Step 5: The High-Flow Bypass (The Safety Valve) Create Sketch: Select the inside face of the longest wall. Draw Rectangles: Draw three rectangles near the top, about 50mm down from the rim. Make them 100mm wide by 40mm high. Extrude Cut: Push them all the way through the wall. Result: If the 50mm hole at the bottom clogs, water spills out these top holes instead of flooding the street.
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