diff --git a/sci-electronics/open_pdks/Manifest b/sci-electronics/open_pdks/Manifest
new file mode 100644
index 0000000000..e6dacce05d
--- /dev/null
+++ b/sci-electronics/open_pdks/Manifest
@@ -0,0 +1 @@
+DIST open_pdks-1.0.311.tar.gz 6184511 BLAKE2B 70bfd6782ce1c3736403068b5a825a1f125e867017c97de9279b7abb48ebbd9e138b7be06437436bcae4fcfa11230407e583f6155f7f333dad3ea8245fd314d3 SHA512 0fbac0c0cfdfab2e3061a957fafece95db105a3c90a27ad6cebf2d52ca0b12f875d2a25fe801c25e25ea467c17abfc8774198388baeba4713f741973be261bfd
diff --git a/sci-electronics/open_pdks/metadata.xml b/sci-electronics/open_pdks/metadata.xml
new file mode 100644
index 0000000000..9b10a9fd1e
--- /dev/null
+++ b/sci-electronics/open_pdks/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM 'https://www.gentoo.org/dtd/metadata.dtd'>
+<pkgmetadata>
+	<maintainer type="person">
+		<email>telans@posteo.de</email>
+		<name>James Beddek</name>
+	</maintainer>
+	<use>
+		<flag name="sky130">Build the Skywater 130nm PDK.</flag>
+	</use>
+</pkgmetadata>
diff --git a/sci-electronics/open_pdks/open_pdks-1.0.311.ebuild b/sci-electronics/open_pdks/open_pdks-1.0.311.ebuild
new file mode 100644
index 0000000000..627c476094
--- /dev/null
+++ b/sci-electronics/open_pdks/open_pdks-1.0.311.ebuild
@@ -0,0 +1,53 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..11} )
+
+inherit check-reqs python-any-r1
+
+DESCRIPTION="PDK installer for open-source EDA tools and toolchains"
+HOMEPAGE="https://github.com/RTimothyEdwards/open_pdks"
+SRC_URI="https://github.com/RTimothyEdwards/open_pdks/archive/refs/tags/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="+sky130"
+
+DEPEND="
+	dev-lang/tcl:0=
+	dev-lang/tk:0=
+	>=sci-electronics/magic-8.3.277:=
+	sky130? ( sci-electronics/skywater-pdk:= )
+"
+BDEPEND="${PYTHON_DEPS}"
+
+CHECKREQS_DISK_BUILD="40G"
+CHECKREQS_DISK_USR="10G"
+
+src_prepare() {
+	default
+	# TODO: install helper python[tk] files
+	# sed -i 's/\$(datadir)/\$(DESTDIR)\$(datadir)/g' Makefile.in || due
+}
+
+src_configure() {
+	cd scripts || die
+	local myeconfargs=(
+		--enable-magic
+		$(use_enable sky130 sky130-pdk /usr/share/pdk/skywater-pdk-source)
+		$(use_with sky130 sky130-variants all)
+		# Pending deps
+		--disable-alpha-sky130
+		--disable-xschem-sky130
+		--disable-netgen
+		--disable-irsim
+		--disable-openlane
+		--disable-qflow
+		--disable-xschem
+	)
+
+	econf "${myeconfargs[@]}"
+}