From 3fc0d225fce28604a1dc9afa83c5e6c22744d619 Mon Sep 17 00:00:00 2001 From: Peter Kim Date: Mon, 5 Jun 2017 15:29:03 +0100 Subject: [PATCH 1/3] Update and expansion of Readme.md Bill of Materials: Printed parts - Added missing parts, update for OTC earbud tips Bill of Materials: Others - Changed ID of smaller silicone tubes to fit onto eartubes; the printed eartubes have an ED of 6mm and it was very difficult to fit 4mm ID tubes onto these. - Silicone for ear plugs changed link as current does not actually set i.e. inappropriate Assembly Instructions: - Added more detail and changed order --- README.md | 31 ++++++++++++++++++++----------- 1 file changed, 20 insertions(+), 11 deletions(-) diff --git a/README.md b/README.md index 0ca398b..5909c83 100644 --- a/README.md +++ b/README.md @@ -14,26 +14,32 @@ Bill of Materials **Printed parts:** * 1 stethoscope head (head.stl) +* 1 stethoscope ring (ring.stl) +* 1 Y-piece * 2 ear tubes (eartube.stl) -* 1 earplug mold (earplug_mold.stl) +* 1 spring (spring.stl) + **Other hardware:** Some vendors are suggested. See Bill of materials ODS file for more information. * 40cm Silicone 12mm OD, 8mm ID * [8MM I.D X 12MM O.D NGP60 Clear Translucent Silicone Hose Pipe Tubing](http://www.advancedfluidsolutions.co.uk/8mm-id-x-12mm-od-clear-transulcent-silicone-hose-pipe-tubing-2480-p.asp) (USD$6.95) -* 20cm Silicone 6mm OD, 4mm ID +* 20cm Silicone 8mm OD, 6mm ID -* Silicone for ear plugs - * [Moldable Silicone Ear Plugs](http://www.earplugstore.com/moldable-silicone-ear-plugs.html) (USD$1.80) * Diaphragm: 40mm diameter cut from a report cover with approx 0.35mm plastic sheet * [Staples 21639 report cover (UPC 718103160223)](http://www.staples.ca/en/Staples-Swing-Lock-Report-Cover-Clear-with-Black-Spine-5-Pack/product_780953_2-CA_1_20001) (USD$8.84) * You can cut the diaphragm by hand or with a stamp like [this one](https://www.amazon.ca/Karujimu-ki-jumbo-craft-circle-CN45004/dp/B001CBY41W) + + * Replacement earbud tips from an audio/electronics store, or make molded silicone ear plugs **Optional hardware**: * Metal spring for holding ear tubes together - +* 1 earplug mold (earplug_mold.stl) +* Silicone for ear plugs + * [Moldable Silicone Ear Plugs](http://www.earplugstore.com/custom-diy-ear-plugs.html) (≥USD$9.50/pair) + * [Sugru](https://sugru.com/) (~£4-8/pair) Print Instructions @@ -52,12 +58,15 @@ Assembly Instructions ===================== * Insert silicone into mold and allow to set as per manufacturer instructions. -* Attach the diaphragm (40mm) to the stethoscope head. -* Attach the stethoscope head to the silicone tube. -* Attach the silicone tube to the T-Piece. -* Attach spring to ear tubes. -* Attach the T-piece to the ear tubes. -* Attach the ear tubes to the molded earplugs. +* Place the diaphragm (40mm) on the stethoscope head and fasten the printed ring over it. +* Attach the stethoscope head to the 8mm ID silicone tube. +* Attach the other end of the 8mm ID tube to the large end of the Y-piece. +* Attach the earplugs onto the matching grooves on the eartubes. +* Cut the 6mm ID silicone tubing in half. +* Attach the two 6mm ID tubes to the eartubes. +* Thread the two holes of the 3D printed spring through these tubes, and press them onto where the 6mm ID tube and the printed eartube meet. + * Optionally, test the width of the spring by placing the eartubes, now connected by the spring, into your ears. Remove the spring and use a heat gun to bend the spring as desired. +* Attach the other ends of the two 6mm ID tubes to the smaller ends of the Y-Piece. * Test the stethoscope as per the validation instructions. From 12bf915043a7395ee0c13cd179b9a3b90012e2e2 Mon Sep 17 00:00:00 2001 From: Peter Kim Date: Mon, 5 Jun 2017 15:30:43 +0100 Subject: [PATCH 2/3] Update README.md --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 5909c83..89202f8 100644 --- a/README.md +++ b/README.md @@ -15,7 +15,7 @@ Bill of Materials **Printed parts:** * 1 stethoscope head (head.stl) * 1 stethoscope ring (ring.stl) -* 1 Y-piece +* 1 Y-piece (y-piece.stl) * 2 ear tubes (eartube.stl) * 1 spring (spring.stl) From 77f59e78838129b5673821552e83c1b57eb3b7de Mon Sep 17 00:00:00 2001 From: Peter Kim Date: Sat, 10 Jun 2017 15:31:44 +0100 Subject: [PATCH 3/3] Update to reflect fit tests --- README.md | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/README.md b/README.md index 89202f8..9f06877 100644 --- a/README.md +++ b/README.md @@ -22,11 +22,11 @@ Bill of Materials **Other hardware:** Some vendors are suggested. See Bill of materials ODS file for more information. -* 40cm Silicone 12mm OD, 8mm ID +* 40cm Silicone 12mm outer diameter (OD), 8mm inner diameter (ID): To connect the head to the Y-piece. * [8MM I.D X 12MM O.D NGP60 Clear Translucent Silicone Hose Pipe Tubing](http://www.advancedfluidsolutions.co.uk/8mm-id-x-12mm-od-clear-transulcent-silicone-hose-pipe-tubing-2480-p.asp) (USD$6.95) -* 20cm Silicone 8mm OD, 6mm ID - +* 20cm Silicone 8mm OD, 4mm ID: To connect the eartubes to the central Y-piece. + * NOTE: The printed eartubes are 6mm, so these tubes will initially be difficult to fit to them, but are recommended as they attach more reliably vs. 6mm ID silicone tubes. * Diaphragm: 40mm diameter cut from a report cover with approx 0.35mm plastic sheet * [Staples 21639 report cover (UPC 718103160223)](http://www.staples.ca/en/Staples-Swing-Lock-Report-Cover-Clear-with-Black-Spine-5-Pack/product_780953_2-CA_1_20001) (USD$8.84) @@ -62,11 +62,11 @@ Assembly Instructions * Attach the stethoscope head to the 8mm ID silicone tube. * Attach the other end of the 8mm ID tube to the large end of the Y-piece. * Attach the earplugs onto the matching grooves on the eartubes. -* Cut the 6mm ID silicone tubing in half. -* Attach the two 6mm ID tubes to the eartubes. -* Thread the two holes of the 3D printed spring through these tubes, and press them onto where the 6mm ID tube and the printed eartube meet. +* Cut the 4mm ID silicone tubing in half. +* Attach the two 4mm ID tubes to the eartubes. +* Thread the two holes of the 3D printed spring through these tubes, and press them onto where the 4mm ID tube and the printed eartube meet. * Optionally, test the width of the spring by placing the eartubes, now connected by the spring, into your ears. Remove the spring and use a heat gun to bend the spring as desired. -* Attach the other ends of the two 6mm ID tubes to the smaller ends of the Y-Piece. +* Attach the other ends of the two 4mm ID tubes to the smaller ends of the Y-Piece. * Test the stethoscope as per the validation instructions.