Split-Manifold-Top-Half

You must generate a valid precision script. The script must define a top-level function named `build(params)` that returns the geometry, satisfying full AST validation. Follow these exact geometric instructions to generate a two-piece split-block fluid manifold STEP model. def build(params): # Dimensions: 80mm long, 38mm wide, 35mm high. Rectangular block with rounded outer corners. # Split: The block is divided into a top half and a bottom half to clamp around a pipe. # Central Bore: Thru-hole 80mm long with linear internal taper. # Rear end diameter = 21.3mm. Front end diameter = 21.7mm. # Internal surface finish must be mathematically ultra-smooth. # Expansion Plenum: 70mm long internal pocket on the top 180-degree half of the bore ceiling. # Leave 5mm solid sealing walls at both the front and rear ends of the block. # Pocket Depth Ramp: Deepest at the rear (5.0mm deep) and linearly shallows to 2.0mm at the front end. # Pocket Transitions: Rear wall has an R3.0 fillet. Front wall is slanted at a 50-degree angle. Lateral edges have an R1.5 fillet. # Top Exhaust Nozzles: 3 oval slots spaced evenly across the final one-third of the block length (near the 21.7mm front end). # All 3 slots are slanted/angled at 50 degrees pointing backwards (from front towards rear). # Slot entry edges from plenum have an R1.0 fillet. # Slot Sizes (Width x Length along block): # - Slot 1 (inner): 20.0 mm x 1.88 mm # - Slot 2 (middle): 20.0 mm x 2.63 mm # - Slot 3 (outer front): 20.0 mm x 3.00 mm # Fasteners: 8 pieces of M3 socket head cap screws (4 per side) near outer left/right edges. # - Top piece: M3 clearance thru-holes with counterbored head pockets. # - Bottom piece: M3 x 0.5 internal threads tapped 8mm deep into the material. # Return the fully validated geometric script structure.

Parameters

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.