title: Alvin's Ramp date: 2024-09-21 tags: gridbeam, carpet, hinges thumbnail-image-url: x-n2r-raw:/urn:bitprint:H2YQYA5AAMKSRQZXUPEYWLHRKDWNV4RK.MY46QS2TP2DP7TDULM2FRGK3XPAONFIKVO6YPPY/20240921-Alvin_ramp_sketch.png extra-css-url: ./files/46/style/plog-46-styles.css tef:content-type: text/html