Multi-dakvlak + EV-laden + eerlijke thuisbatterij-terugverdientijd. Multi-dakvlak + EV-laden op eigen zonnestroom. Meerdere dakvlakken — elk met eigen oriëntatie, panelen en schaduw. Wat leveren zonnepanelen op na het einde van de salderingsregeling (1 januari 2027)? Onafhankelijke berekening met batterij- en contractscenario's.
Precast concrete utility vault configurator: dimensions and joint profile drive concrete volume, weight and pricing — the top slab and its access opening reconfigure live in 3D.
Itemized operating-torque calculator for concentric (resilient-seated) butterfly valves: seating + bearing + packing, with manufacturer calibration and actuator sizing. Built around the AWWA M49 component method.
The smarthome feature model from Felfernig et al. (ConfWS 2025) as a live configuration: optional features exist by rule, the alarm pulls its required motion sensor in automatically, and the hub is selected from a ladder.
Hollow-metal door configurator: single or pair, gauge, core, vision lites and hardware — hinge counts by height rule, conditional panic bars, live 3D, and a table-driven price.
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