You can easily make dowels in your favorite wood. On this page you find a lot of tools from economy grade to professional grade for this job.
Levoite™ Dowel Maker Jig Tool Dowel Making Jig for Wood - 3 Hole
19 Holes Steel Wood Dowel Plate Maker From 1/8 to 5/8 Available
Tool Review: DFM Dowel Plate - FineWoodworking
Dowel Maker Metric, Woodworking Tools, Dowel Maker Tool
Jax Design: Making Dowels with a Jigsaw
Drilling Home
Veritas Dowel Cutters
Welcome to Vintage Saw's Saw Filing Treatise
Madison Mill 1.5-in dia x 48-in L Round Poplar Dowel in the Dowels
How To Make A Simple Dowel Maker