“How do I delete it?” Liam whispered, panicked.

“Ugh,” she muttered.

“A very expensive piece of German engineering?” she guessed.

Then came the mullions.

The screen glowed a soft blue in the dim training room. Sarah tapped her pen against her notebook, staring at the login page for Logikal. Around her, five other new hires at the window and door fabrication plant did the same. The air smelled of stale coffee and new plastic.

He clicked his mouse. A 3D model of a casement window appeared on the main screen, rotating slowly.

She tried to force a connection between the main frame and the side vent. A red exclamation mark bloomed on the screen. “Geometric conflict: Frame depth mismatch.”

“There,” Marcus said. “Now you’re speaking its language.”

She accepted. The model shimmered, the green turning into a handsome, deep blue-grey. She generated a change order PDF. It listed every affected component, the price difference, the new lead time. Clean. Unarguable.