Research First
Historical costuming begins in the library, not the fabric store. Before purchasing a single yard of fabric, understand the period and region you're working on — silhouette, construction methods, appropriate materials, and what the garment was actually used for. Primary sources (surviving garments, portraits, illuminated manuscripts) are more reliable than secondary sources, which often contain errors that propagate widely.
Pattern Sources
Quality historical pattern sources include: Janet Arnold's Patterns of Fashion series (patterns derived from surviving garments); the Reconstructing History pattern line; the Truly Victorian pattern line (19th century); and university archive digitisations of historical pattern books. For 16th-century onward, there are excellent academic resources; earlier periods require more reconstruction and interpretation.
Accuracy Standards
Historical costuming communities have a spectrum of accuracy standards — from costume-accurate (looks right to a casual observer) through museum-quality (matches original construction methods). Decide where on the spectrum you want to work before starting: different accuracy levels require different research, materials, and time investment. Being clear about your intent prevents frustration and enables more useful community feedback.
Chimera's Historical Work
Heidi's historical work includes Renaissance Faire garments, Victorian corsetry, and historical research for client commissions requiring period-specific construction. See the Renfaire Dragon Dress and corset commissions for examples of historical methods in practice.