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Building a Clavichord

A fully playable clavichord inspired by an eighteenth-century Swedish original, combining traditional craftsmanship with modern CAD design and 3D printing.

PipeOrganMap.com

A personal full-stack web project dedicated to preserving the world's pipe organ heritage through interactive mapping, technical documentation, and collaborative contributions.

Gramophone Stepper Motor Conversion

A conversion of a spring-driven gramophone to an Arduino-controlled stepper motor drive. The gramophone remains dedicated to 78 rpm shellac records, but now runs at a more consistent speed and no longer needs to be wound by hand.

A clean and modern one-page curriculum vitae template for LuaLaTeX and XeLaTeX.

Modern DIN 5008 business letter template for LaTeX based on KOMA-Script (scrlttr2).

A clean and professional LaTeX template for creating collector's appraisals, valuation reports, and expert opinions.

More LaTeX Templates

B. Sc. IT-Engineering · Linux · Web Development

Leif-Erik Hallmann

Personal projects, technical experiments, LaTeX templates, craft documentation, musical instruments, collected objects and selected works.

This website brings together my personal projects, technical notes, craft documentation, LaTeX templates and collections. It serves both as a portfolio and as a growing archive of things I build, research, restore, document or find worth preserving.

My work ranges from web applications, Arduino-based electronics and technical experiments to musical instruments, woodworking, lighting, timekeepers and historical books.